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when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | worldwide estimates tell us that over a billion people are currently at high risk of malaria , and around 600,000 people die of this disease every year. $ ^1 $ many people who are exposed to malaria live in regions where poverty , lack of knowledge , and a shortage of healthcare are barriers to life-saving treatment . ... | is it possible to spread malaria by touching people who have malaria ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | in all types of malaria , paroxysms occur when many infected blood cells burst at the same time , releasing thousands of merozoites into the bloodstream all at once ( stage 3 of the lifecycle ) . malarial paroxysms occur periodically - 48 hours for p. vivax , p. ovale , and p. falciparum , and 72 hours for p. malariae ... | in the last paragraph , why does p.falciparum hurt before it starts attacking ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | malaria is an infectious disease caused by a parasite , called plasmodium that invades red blood cells and liver cells . the parasites are transferred to humans by the bite of an infected anopheles mosquito . how does malaria cause disease ? | can a female anopheles after infecting a healthy person , bite another person with no time ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | this means that regardless of species , if you don ’ t get treatment , your malaria may relapse weeks or months later , due to activation of dormant merozoites in the liver , and these relapses may continue for decades . situations that increases your chances of getting malaria although mosquitoes can be found on every... | why ca n't any other insect/parasite transmit malaria ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | take personal protection . your first lines of defense against mosquito bites are mosquito repellent and mosquito nets . these are recommended wherever and whenever there is any risk of malaria . | what is it that makes female anopheles mosquito so special ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | worldwide estimates tell us that over a billion people are currently at high risk of malaria , and around 600,000 people die of this disease every year. $ ^1 $ many people who are exposed to malaria live in regions where poverty , lack of knowledge , and a shortage of healthcare are barriers to life-saving treatment . ... | when do you think the vaccine will be made for malaria ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | what are the symptoms of malaria ? when you get bitten by an infected mosquito , it will most likely seem like any other mosquito bite . however , usually after a week or two , as the infection has takes hold , the first noticeable symptoms start to appear . | during each bite to an infected person , will the mosquito take gametophytes only ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | how does malaria cause disease ? four different species of plasmodium parasites cause most of the malaria in humans : plasmodium vivax , plasmodium falciparum , plasmodium ovale , and plasmodium malariae , with some species causing more severe symptoms than others . if you are unlucky enough to get bitten by an infecte... | what will happen if it takes up trophozoites or any other form of plasmodium during its blood meal ? |
when you think of the most deadly creature in the world , your instinct is probably to imagine a shark , bear , crocodile , or some other massive animal with big claws or huge teeth . in fact , when it comes to killing people , the most deadly animal in the world is a tiny insect : the mosquito ! unlike other dangerous... | take personal protection . your first lines of defense against mosquito bites are mosquito repellent and mosquito nets . these are recommended wherever and whenever there is any risk of malaria . | will trophozoite develope as gametophyte in mosquito ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | as an example of covalent bonding , let ’ s look at water . a single water molecule , $ \text h_2\text o $ , consists of two hydrogen atoms bonded to one oxygen atom . each hydrogen shares an electron with oxygen , and oxygen shares one of its electrons with each hydrogen : the shared electrons split their time between... | why ca n't you have a single molecule of nacl ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | can a atom bond break ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | regarding london dispersion forces , should n't a `` dispersion '' force be causing molecules to disperse , not attract ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | what is the typical period of time a london dispersion force will last between two molecules ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | electrons rapidly moving back and forth between two atoms in a molecule creating many london dispersion forces so fast it acts like a long-lasting bond between molecules ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . hydrogen bonds and london dispersion forces covalent and ionic bonds are both typically considered strong bonds . however , other kinds of more temporary bonds can al... | usually , do intermolecular or intramolecular bonds break first ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . hydrogen bonds and london dispersion forces covalent and ionic bonds are both typically considered strong bonds . however , other kinds of more temporary bonds can al... | is there ever an instance where both the intermolecular bonds and intramolecular bonds break simultaneously ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | if a molecule with this kind of charge imbalance is very close to another molecule , it can cause a similar charge redistribution in the second molecule , and the temporary positive and negative charges of the two molecules will attract each other. $ ^2 $ hydrogen bonds and london dispersion forces are both examples of... | what is the sense of 'cell ' in the last paragraph ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | dipole moment of ccl4 is 0 hence is it a pure covalent compound of polar covalent bonds ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | what 's the basic unit of life atom or cell ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | can someone clarify the difference between london dispersion forces and instantaneous dipoles ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | cations are positive ions formed by losing electrons . for instance , a sodium atom loses an electron to become a sodium cation , $ \text { na } ^+ $ . negative ions are formed by electron gain and are called anions . | is a na+ ion a cation or an anion ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | can someone please explain the london dispersion force in simpler terms ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | as an example of covalent bonding , let ’ s look at water . a single water molecule , $ \text h_2\text o $ , consists of two hydrogen atoms bonded to one oxygen atom . each hydrogen shares an electron with oxygen , and oxygen shares one of its electrons with each hydrogen : the shared electrons split their time between... | why ca n't you have a single molecule of nacl ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | ch4 ( methane ) has polar bonds within the 5 atoms but is considered a non polar molecule ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | how does that work ? because electrons are in constant motion , there will be some moments when the electrons of an atom or molecule are clustered together , creating a partial negative charge in one part of the molecule ( and a partial positive charge in another ) . if a molecule with this kind of charge imbalance is ... | is n't it a polar molecule because both h and c have partial charges ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . hydrogen bonds and london dispersion forces covalent and ionic bonds are both typically considered strong bonds . however , other kinds of more temporary bonds can al... | does the octet rule apply to all bonds that are listed above ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of this , sodium tends to lose its one electron , forming na $ ^+ $ . chlorine ( cl ) , on the other hand , has seven electrons in its outer shell . in this case , it is easier for chlorine to gain one electron than to lose seven , so it tends to take on an electron and become cl $ ^- $ . | why are the first two electrons in the same shell ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | in an atom bomb what properties or reactions of atoms are used ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an electron , it needs to have a suitable recipient like a chlorine atom . making an ionic bond ionic bonds are bonds formed between ions with opposite charges . for... | if the nacl is ionic on all sides , would n't it make sense to just bash salt together and they would stick to themselves because of the ionic bonding ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | for instance , positively charged sodium ions and negatively charged chloride ions attract each other to make sodium chloride , or table salt . table salt , like many ionic compounds , does n't consist of just one sodium and one chloride ion ; instead , it contains many ions arranged in a repeating , predictable 3d pat... | and should n't other materials be affected , like our skin , when we touch salt because salt is ionic hence really reactive ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | who decided on calling the other weak attractions between molecules as `` london dispersion forces '' ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | nonpolar covalent bonds nonpolar covalent bonds form between two atoms of the same element , or between atoms of different elements that share electrons more or less equally . for example , molecular oxygen ( $ \text { o } _2 $ ) is nonpolar because the electrons are equally shared between the two oxygen atoms . anothe... | what is meant by bonding molecular orbitals and antibonding molecular orbitals ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . hydrogen bonds and london dispersion forces covalent and ionic bonds are both typically considered strong bonds . however , other kinds of more temporary bonds can al... | is hydrogen bonds one of the strongest bonds only when there 's lots of them ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | covalent bonds another way atoms can become more stable is by sharing electrons ( rather than fully gaining or losing them ) , thus forming covalent bonds . covalent bonds are more common than ionic bonds in the molecules of living organisms . for instance , covalent bonds are key to the structure of carbon-based organ... | what type of bond is most common in nature , ionic or covalent ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . | what does `` tetrahedral '' mean ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | covalent bonds are more common than ionic bonds in the molecules of living organisms . for instance , covalent bonds are key to the structure of carbon-based organic molecules like our dna and proteins . covalent bonds are also found in smaller inorganic molecules , such as $ \text h_2\text o $ , $ \text { co } _2 $ , ... | what is a lattice structure ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | as an example of covalent bonding , let ’ s look at water . a single water molecule , $ \text h_2\text o $ , consists of two hydrogen atoms bonded to one oxygen atom . each hydrogen shares an electron with oxygen , and oxygen shares one of its electrons with each hydrogen : the shared electrons split their time between... | what determines the angle between the two hydrogen atoms in a water molecule ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | for example , molecular oxygen ( $ \text { o } _2 $ ) is nonpolar because the electrons are equally shared between the two oxygen atoms . another example of a nonpolar covalent bond is found in methane ( $ \text { ch } _4 $ ) . carbon has four electrons in its outermost shell and needs four more to achieve a stable oct... | why there is no co-ordinate covalent bond ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | which kind of element forms covalent bonds ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | both the strong bonds that hold molecules together and the weaker bonds that create temporary connections are essential to the chemistry of our bodies , and to the existence of life itself . why form chemical bonds ? the basic answer is that atoms are trying to reach the most stable ( lowest-energy ) state that they ca... | are chemical reactions are all about bonds forming and breaking and reforming in other ways ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | however , other kinds of more temporary bonds can also form between atoms or molecules two types of weak bonds often seen in biology are hydrogen bonds and london dispersion forces . not to be overly dramatic , but without these two types of bonds , life as we know it would not exist ! for instance , hydrogen bonds pro... | what would happen to that element , and what two elements ( or more ) would give off a predicted reaction as answered ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | electron gain or loss can give an atom a filled outermost electron shell and make it energetically more stable . forming ions ions come in two types . cations are positive ions formed by losing electrons . | in `` forming ions '' , how do you write the formula when you are given the name , and how do you know the name when given a formula ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | hydrogen bonds in a polar covalent bond containing hydrogen ( e.g. , an o-h bond in a water molecule ) , the hydrogen will have a slight positive charge because the bond electrons are pulled more strongly toward the other element . because of this slight positive charge , the hydrogen will be attracted to any neighbori... | but my question is : why does n't the slightly negative hydrogen get attracted to positive charges atom in its own molecules ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | when one atom loses an electron and another atom gains that electron , the process is called electron transfer . sodium and chlorine atoms provide a good example of electron transfer . sodium ( na ) only has one electron in its outer electron shell , so it is easier ( more energetically favorable ) for sodium to donate... | besides sodium and chlorine , what other elements make good ionic bondage ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | covalent bonds are also found in smaller inorganic molecules , such as $ \text h_2\text o $ , $ \text { co } _2 $ , and $ \text { o } _2 $ . one , two , or three pairs of electrons may be shared between atoms , resulting in single , double , or triple bonds , respectively . the more electrons that are shared between tw... | how do i know when to draw a single , double , or triple bond ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | can an atom bond break or is it not possible ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | anions are named using the ending “ -ide ” : for example , the anion of chlorine ( $ \text { cl } ^- $ ) is called chloride . when one atom loses an electron and another atom gains that electron , the process is called electron transfer . sodium and chlorine atoms provide a good example of electron transfer . | how many electron can valence shells hold ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | what is the difference between a polar and non-polar molecule ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | both the strong bonds that hold molecules together and the weaker bonds that create temporary connections are essential to the chemistry of our bodies , and to the existence of life itself . why form chemical bonds ? the basic answer is that atoms are trying to reach the most stable ( lowest-energy ) state that they ca... | regarding covalent bonds , can a molecule create multiple bonds so that they form another valence ring ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an electron , it needs to have a suitable recipient like a chlorine atom . making an ionic bond ionic bonds are bonds formed between ions with opposite charges . for... | when ionic compounds dissolve in water we have terms like hydration energy and lattice energy.are these only for ionic compound or for polar covalent compound also ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | then why make a bond of 3 atoms and make ozone ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | the basic answer is that atoms are trying to reach the most stable ( lowest-energy ) state that they can . many atoms become stable when their valence shell is filled with electrons or when they satisfy the octet rule ( by having eight valence electrons ) . if atoms don ’ t have this arrangement , they ’ ll “ want ” to... | and does making so4 even fill the valence shell of all the atoms ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . | what is biosynthesis of collagen ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | these ions are necessary for nerve impulse conduction , muscle contractions and water balance . many sports drinks and dietary supplements provide these ions to replace those lost from the body via sweating during exercise . covalent bonds another way atoms can become more stable is by sharing electrons ( rather than f... | what does ions lost from the body means ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . | so , why cant the angle be 180 degree or 0 degree or 19 degree ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | can a atom bond break ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | reciprocally , the hydrogen atoms each need one additional electron to fill their outermost shell , which they receive in the form of shared electrons from carbon . although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . h... | can we separate carbon and oxygen from carbon dioxide and carbon monoxide ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . | my question is which of these is correct ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | both ions now satisfy the octet rule and have complete outermost shells . because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom... | the wikipedia page says the strength can vary from 1.9kcal/mol to 38kcal/mol , if this is true , why is the difference so great ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | how does that work in a cell ? both strong and weak bonds play key roles in the chemistry of our cells and bodies . for instance , strong covalent bonds hold together the chemical building blocks that make up a strand of dna . | how can you determine if the inter molecular force is strong or weak ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | why `` london dispersion forces '' had a `` london '' in it ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | the basic answer is that atoms are trying to reach the most stable ( lowest-energy ) state that they can . many atoms become stable when their valence shell is filled with electrons or when they satisfy the octet rule ( by having eight valence electrons ) . if atoms don ’ t have this arrangement , they ’ ll “ want ” to... | if i had a reaction of cuso4 + fe = cu + feso4 , how do i explain the battle over electrons between the metals cu and fe ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | for example , molecular oxygen ( $ \text { o } _2 $ ) is nonpolar because the electrons are equally shared between the two oxygen atoms . another example of a nonpolar covalent bond is found in methane ( $ \text { ch } _4 $ ) . carbon has four electrons in its outermost shell and needs four more to achieve a stable oct... | my question is : since methane is described as nonpolar covalent bond , why it is used as a dipole-dipole interaction example ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | these weak bonds keep the dna stable , but also allow it to be opened up for copying and use by the cell . more generally , bonds between ions , water molecules , and polar molecules are constantly forming and breaking in the watery environment of a cell . in this setting , molecules of different types can and will int... | how are polar molecules similar to ionic compounds ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | can we have two bonds such as polar and non polar bond in a molecule at the same time ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of this slight positive charge , the hydrogen will be attracted to any neighboring negative charges . this interaction is called a hydrogen bond . hydrogen bonds are common , and water molecules in particular form lots of them . | can we represent hydrogen bond other than doted line ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of this slight positive charge , the hydrogen will be attracted to any neighboring negative charges . this interaction is called a hydrogen bond . hydrogen bonds are common , and water molecules in particular form lots of them . | what is electrostatic dipole dipole interaction ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | how does that work ? because electrons are in constant motion , there will be some moments when the electrons of an atom or molecule are clustered together , creating a partial negative charge in one part of the molecule ( and a partial positive charge in another ) . if a molecule with this kind of charge imbalance is ... | can a complete negative charge attract a partial positive charge ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | hydrogen bonds are common , and water molecules in particular form lots of them . individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . | why do the hydrogen bonds differ in strength from very weak to extremely strong ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . | what is meant by interatomic distance ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | for instance , hydrogen bonds provide many of the life-sustaining properties of water and stabilize the structures of proteins and dna , both key ingredients of cells . hydrogen bonds in a polar covalent bond containing hydrogen ( e.g. , an o-h bond in a water molecule ) , the hydrogen will have a slight positive charg... | wikipedia says that hydrogen bond have some features which are similar to covalent bond what are those features ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | reciprocally , the hydrogen atoms each need one additional electron to fill their outermost shell , which they receive in the form of shared electrons from carbon . although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . h... | what is the nature of electronegativity ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | anions are named using the ending “ -ide ” : for example , the anion of chlorine ( $ \text { cl } ^- $ ) is called chloride . when one atom loses an electron and another atom gains that electron , the process is called electron transfer . sodium and chlorine atoms provide a good example of electron transfer . | i mean , what makes one type of atom more electronegative than another type of atom ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of the unequal distribution of electrons between the atoms of different elements , slightly positive ( δ+ ) and slightly negative ( δ– ) charges develop in different parts of the molecule . in a water molecule ( above ) , the bond connecting the oxygen to each hydrogen is a polar bond . oxygen is a much more el... | how does a nonmetal bond with a metal that has a metallic bond in the electron sea ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of the unequal distribution of electrons between the atoms of different elements , slightly positive ( δ+ ) and slightly negative ( δ– ) charges develop in different parts of the molecule . in a water molecule ( above ) , the bond connecting the oxygen to each hydrogen is a polar bond . oxygen is a much more el... | im curious on how the oxygen would bond to the brass , because the brass has no charge since it is floating in the electron sea , how can an ionic bond form ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | reciprocally , the hydrogen atoms each need one additional electron to fill their outermost shell , which they receive in the form of shared electrons from carbon . although carbon and hydrogen do not have exactly the same electronegativity , they are quite similar , so carbon-hydrogen bonds are considered nonpolar . h... | and is an electrostatic attraction considered to be an intermolecular force ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | when they do so , atoms form ions , or charged particles . electron gain or loss can give an atom a filled outermost electron shell and make it energetically more stable . forming ions ions come in two types . | how does completing a shell make an atom stable ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of this slight positive charge , the hydrogen will be attracted to any neighboring negative charges . this interaction is called a hydrogen bond . hydrogen bonds are common , and water molecules in particular form lots of them . | is there another bond that can replace hydrogen bond in this world ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | this makes a water molecule much more stable than its component atoms would have been on their own . polar covalent bonds there are two basic types of covalent bonds : polar and nonpolar . in a polar covalent bond , the electrons are unequally shared by the atoms and spend more time close to one atom than the other . | nonpolar > polar > ionic > hydrogen is this trend correct ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | can a atom bond break ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | regarding the london dispersion force- if the position of the electron is determined by the orbital , which is symmetric , why do we not see cases where both sides have the same charge , causing them to `` push '' each other away with the same probability- cancelling the attraction ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | both the strong bonds that hold molecules together and the weaker bonds that create temporary connections are essential to the chemistry of our bodies , and to the existence of life itself . why form chemical bonds ? the basic answer is that atoms are trying to reach the most stable ( lowest-energy ) state that they ca... | what exactly is the difference between ionic and a polar chemical reaction ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | the more electrons that are shared between two atoms , the stronger their bond will be . as an example of covalent bonding , let ’ s look at water . a single water molecule , $ \text h_2\text o $ , consists of two hydrogen atoms bonded to one oxygen atom . | what would a diagram of silicon carbide look like ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | covalent bonds are also found in smaller inorganic molecules , such as $ \text h_2\text o $ , $ \text { co } _2 $ , and $ \text { o } _2 $ . one , two , or three pairs of electrons may be shared between atoms , resulting in single , double , or triple bonds , respectively . the more electrons that are shared between tw... | would it be 4 pairs of shared electrons , or will they only bond in 3 pairs ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because the number of electrons is no longer equal to the number of protons , each atom is now an ion and has a +1 ( na $ ^+ $ ) or –1 ( cl $ ^- $ ) charge . in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an elec... | how does an atom split in 2 ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | for instance , a na $ ^+ $ ion might interact with a water molecule in one moment , and with the negatively charged part of a protein in the next moment . what 's really amazing is to think that billions of these chemical bond interactions—strong and weak , stable and temporary—are going on in our bodies right now , ho... | what are dipole - induced dipole interactions ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | in general , the loss of an electron by one atom and gain of an electron by another atom must happen at the same time : in order for a sodium atom to lose an electron , it needs to have a suitable recipient like a chlorine atom . making an ionic bond ionic bonds are bonds formed between ions with opposite charges . for... | is there an easier way to remember ionic bonds ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | each hydrogen shares an electron with oxygen , and oxygen shares one of its electrons with each hydrogen : the shared electrons split their time between the valence shells of the hydrogen and oxygen atoms , giving each atom something resembling a complete valence shell ( two electrons for h , eight for o ) . this makes... | when you have a puddle of water and a drop of water beside you on different sides would they both have all the same atoms and electrons and all ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | individual hydrogen bonds are weak and easily broken , but many hydrogen bonds together can be very strong . london dispersion forces like hydrogen bonds , london dispersion forces are weak attractions between molecules . however , unlike hydrogen bonds , they can occur between atoms or molecules of any kind , and they... | are these forces between molecules ( such as h2o and h2o ) or the forces of attraction between the actual hydrogen and oxygen ? |
introduction living things are made up of atoms , but in most cases , those atoms aren ’ t just floating around individually . instead , they ’ re usually interacting with other atoms ( or groups of atoms ) . for instance , atoms might be connected by strong bonds and organized into molecules or crystals . or they migh... | because of this slight positive charge , the hydrogen will be attracted to any neighboring negative charges . this interaction is called a hydrogen bond . hydrogen bonds are common , and water molecules in particular form lots of them . | is n't the hydrogen bond a relatively strong bond ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . | why cant all organisms have the same type of cells ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | despite these similarities , prokaryotes and eukaryotes differ in a number of important ways . a prokaryote is a simple , single-celled organism that lacks a nucleus and membrane-bound organelles . we ’ ll talk more about the nucleus and organelles in the next article on eukaryotic cells , but the main thing to keep in... | can there be a multicellular prokaryote ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | ribosomes are molecular machines that synthesize proteins . despite these similarities , prokaryotes and eukaryotes differ in a number of important ways . a prokaryote is a simple , single-celled organism that lacks a nucleus and membrane-bound organelles . | what kind of chromosomes do prokaryotes have , how are they different from ours ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | the surface-area-to-volume problem is just one of a related set of difficulties posed by large cell size . as cells get larger , it also takes longer to transport materials inside of them . these considerations place a general upper limit on cell size , with eukaryotic cells being able to exceed prokaryotic cells thank... | prokaryotic cells were the first ones to evolve , and then came eukaryotic cells , right ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | often , though—as in the case of we humans—there are some prokaryotic friends hanging around . components of prokaryotic cells there are some key ingredients that a cell needs in order to be a cell , regardless of whether it is prokaryotic or eukaryotic . all cells share four key components : the plasma membrane is an ... | are red blood cells considered to be prokaryotic since they do n't have a nucleus ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | most bacteria are , however , surrounded by a rigid cell wall made out of peptidoglycan , a polymer composed of linked carbohydrates and small proteins . the cell wall provides an extra layer of protection , helps the cell maintain its shape , and prevents dehydration . many bacteria also have an outermost layer of car... | whats the difference of an animal cell and a plant cell ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | most bacteria are , however , surrounded by a rigid cell wall made out of peptidoglycan , a polymer composed of linked carbohydrates and small proteins . the cell wall provides an extra layer of protection , helps the cell maintain its shape , and prevents dehydration . many bacteria also have an outermost layer of car... | in the paragraph , components of a prokaryote cell ; a prokaryote cell has both a cell wall and membrane , how would it be able to absorb nutrients and store them as they lack both lysosomes and vacuoles ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . | how many cells are in an ostrich egg ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | most bacteria are , however , surrounded by a rigid cell wall made out of peptidoglycan , a polymer composed of linked carbohydrates and small proteins . the cell wall provides an extra layer of protection , helps the cell maintain its shape , and prevents dehydration . many bacteria also have an outermost layer of car... | organelles are found exclusively in what in a animal cell and a plant cell ? |
introduction take a moment and look at yourself . how many organisms do you see ? your first thought might be that there 's just one : yourself . however , if you were to look closer , at the surface of your skin or inside your digestive tract , you would see that there are actually many organisms living there . that ’... | that ’ s right ! you are home to around 100 trillion bacterial cells , which outnumber your own human cells by about 10 to one $ ^1 $ . this means that your body is actually an ecosystem . | where did cells come from ? |
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