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What kind of molecule is made from one or more long chains of amino acids? | A protein molecule is made from one or more long chains of amino acids, each linked to its neighbors by covalent bonds. Multiple chains of a protein are held together by weaker bonds. | https://huggingface.co/datasets/allenai/sciq |
What part of the heart receives the blood is pumped from veins of the systemic circuit? | Figure 40.10 The mammalian circulatory system is divided into three circuits: the systemic circuit, the pulmonary circuit, and the coronary circuit. Blood is pumped from veins of the systemic circuit into the right atrium of the heart, then into the right ventricle. Blood then enters the pulmonary circuit, and is oxyge... | https://huggingface.co/datasets/allenai/sciq |
What type of properties are characteristics that describe matter? | The properties that chemists use to describe matter fall into two general categories. Physical properties are characteristics that describe matter. They include characteristics such as size, shape, color, and mass. Chemical properties are characteristics that describe how matter changes its chemical structure or compos... | https://huggingface.co/datasets/allenai/sciq |
What is the leading cause of death in the united states? | Cardiologist Heart disease is the leading cause of death in the United States. This is primarily due to our sedentary lifestyle and our high trans-fat diets. Heart failure is just one of many disabling heart conditions. Heart failure does not mean that the heart has stopped working. Rather, it means that the heart can’... | https://huggingface.co/datasets/allenai/sciq |
What results when gas particles rebound off the walls of their container? | Pressure is what results when gas particles rebound off the walls of their container. The basic unit of pressure is the newton per square meter (N/m2). This combined unit is redefined as a pascal (Pa). One pascal is not a very large amount of pressure. A more useful unit of pressure is the bar, which is 100,000 Pa (1 b... | https://huggingface.co/datasets/allenai/sciq |
How do most fish reproduce with one another? | Fish reproduce sexually. They lay eggs that can be fertilized either inside or outside of the body. In most fish, the eggs develop outside of the mother's body. In the majority of these species, fertilization also takes place outside the mother's body. The male and female fish release their gametes into the surrounding... | https://huggingface.co/datasets/allenai/sciq |
What is the ability to cause changes in matter? | Energy is the ability to cause changes in matter. For example, your body uses chemical energy when you lift your arm or take a step. In both cases, energy is used to move matter—you. Any matter that is moving has energy just because it’s moving. The energy of moving matter is called kinetic energy. Scientists think tha... | https://huggingface.co/datasets/allenai/sciq |
The group 18 gases that have 8 valence electrons are referred to as what type of gases? | A common way to keep track of valence electrons is with Lewis electron dot structures . In an electron dot structure, each atom is represented by its chemical symbol, and each valence electron is represented by a single dot. Note that only valence electrons are shown explicitly in these diagrams. For the main group ele... | https://huggingface.co/datasets/allenai/sciq |
Competition is a relationship between organisms that depend on the same resources. the resources might be food, water, or what? | Competition is a relationship between organisms that depend on the same resources. The resources might be food, water, or space. Competition can occur between organisms of the same species or between organisms of different species. | https://huggingface.co/datasets/allenai/sciq |
What does phagocytosis defend the body from? | 4. State how phagocytosis helps defend the body from pathogens. | https://huggingface.co/datasets/allenai/sciq |
What measures the force of gravity pulling on an object? | Weight measures the force of gravity pulling on an object. The SI unit for weight is the Newton (N). | https://huggingface.co/datasets/allenai/sciq |
Are coral reefs found in warm or cold water? | Coral reefs are found only in warm water. Coal swamps are also found in tropical and subtropical environments. Wegener discovered ancient coal seams and coral reef fossils in areas that are much too cold today. Wegener thought that the continents have moved since the time of Pangaea. | https://huggingface.co/datasets/allenai/sciq |
In humans, there are five primary tastes, and each taste has only one corresponding type of what? | In humans, there are five primary tastes, and each taste has only one corresponding type of receptor. Thus, like olfaction, each receptor is specific to its stimulus (tastant). Transduction of the five tastes happens through different mechanisms that reflect the molecular composition of the tastant. A salty tastant (co... | https://huggingface.co/datasets/allenai/sciq |
The large positive free energy change leads to a value that is extremely what? | The large positive free energy change leads to a value that is extremely small. Both lead to the conclusion that the reactants are highly favored and very few product molecules are present at equilibrium. | https://huggingface.co/datasets/allenai/sciq |
Slime molds are fungus-like protists that grow as slimy masses on what? | Slime molds are fungus-like protists that grow as slimy masses on decaying matter. They are commonly found on items such as rotting logs. | https://huggingface.co/datasets/allenai/sciq |
What is the body cavity that reptiles have that is involved in reproduction? | Most reptiles have sexual reproduction with internal fertilization. Reptiles have a body cavity called a cloaca that is involved in reproduction. Sperm or eggs are released into an adult reptile’s cloaca. Males have one or two penises that pass sperm from their cloaca to the eggs in the cloaca of a female, where fertil... | https://huggingface.co/datasets/allenai/sciq |
What is the germ for a group of atoms within a molecule that reacts similarly anywhere it appears in different compounds? | With over twenty million known organic compounds in existence, it would be very challenging to memorize chemical reactions for each one. Fortunately, molecules with similar functional groups tend to undergo similar reactions. A functional group is defined as an atom or group of atoms within a molecule that has similar ... | https://huggingface.co/datasets/allenai/sciq |
During asexual reproduction, fungi produce haploid spores by what process involving a haploid parent cell? | During asexual reproduction, fungi produce haploid spores by mitosis of a haploid parent cell. A haploid cell has just one of each pair of chromosomes. The haploid spores are genetically identical to the parent cell. Spores may be spread by moving water, wind, or other organisms. Wherever the spores land, they will dev... | https://huggingface.co/datasets/allenai/sciq |
In eukaryotes, oxidative phosphorylation takes place in what? | Figure 7.5 In eukaryotes, oxidative phosphorylation takes place in mitochondria. In prokaryotes, this process takes place in the plasma membrane. (Credit: modification of work by Mariana Ruiz Villareal). | https://huggingface.co/datasets/allenai/sciq |
Short chains of two amino acids (dipeptides) or three amino acids (tripeptides) are also transported actively. however, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leaving the cell and entering the capillary blood via what? | transports an amino acid varies. Most carriers are linked to the active transport of sodium. Short chains of two amino acids (dipeptides) or three amino acids (tripeptides) are also transported actively. However, after they enter the absorptive epithelial cells, they are broken down into their amino acids before leavin... | https://huggingface.co/datasets/allenai/sciq |
What do fungi use to penetrate deep into decaying matter? | Most fungi get organic compounds from dead organisms. Fungi use their hyphae to penetrate deep into decaying organic matter. They produce enzymes at the tips of their hyphae. The enzymes digest the organic matter so the fungal cells can absorb it. Fungi are the main decomposers in forests. They are the only decomposers... | https://huggingface.co/datasets/allenai/sciq |
All living cells in multicellular organisms contain an internal cytoplasmic compartment, and a nucleus within the cytoplasm. cytosol, the jelly-like substance within the cell, provides the fluid medium necessary for this? | Now that you have learned that the cell membrane surrounds all cells, you can dive inside of a prototypical human cell to learn about its internal components and their functions. All living cells in multicellular organisms contain an internal cytoplasmic compartment, and a nucleus within the cytoplasm. Cytosol, the jel... | https://huggingface.co/datasets/allenai/sciq |
Under appropriate conditions, the attractions between all molecules in what state will cause them to form liquids or solids? | Forces between Molecules Under appropriate conditions, the attractions between all gas molecules will cause them to form liquids or solids. This is due to intermolecular forces, not intramolecular forces. Intramolecular forces are those within the molecule that keep the molecule together, for example, the bonds between... | https://huggingface.co/datasets/allenai/sciq |
What else besides temperature has an effect on the phase of a substance? | Butter is a fat that is a solid at room temperature. What type of fatty acid does butter contain? How do you know?. | https://huggingface.co/datasets/allenai/sciq |
What type of charge does a neutron have? | three building blocks of most matter. (The third is the neutron, which is neutral, carrying no charge. ) Other charge-carrying particles are observed in cosmic rays and nuclear decay, and are created in particle accelerators. All but the electron and proton survive only a short time and are quite rare by comparison. | https://huggingface.co/datasets/allenai/sciq |
Animals that molt their exoskeletons belong to which clade? | Figure 27.13 Animals that molt their exoskeletons, such as these (a) Madagascar hissing cockroaches, are in the clade Ecdysozoa. (b) Phoronids are in the clade Lophotrochozoa. The tentacles are part of a feeding structure called a lophophore. (credit a: modification of work by Whitney Cranshaw, Colorado State Universit... | https://huggingface.co/datasets/allenai/sciq |
Alkaline earth metals are what color? | The alkaline Earth metals include all the elements in group 2 (see Figure below ). These metals have just two valence electrons, so they are very reactive, although not quite as reactive as the alkali metals. In nature, they are always found combined with other elements. Alkaline Earth metals are silvery grey in color.... | https://huggingface.co/datasets/allenai/sciq |
What type of movement is caused by erosion from direct gravity? | Outline the forces that act on particles in the nucleus. | https://huggingface.co/datasets/allenai/sciq |
What term is used describe energy released during an earthquake? | For decades scientists have had equipment that can measure earthquake magnitude. The earthquake magnitude is the energy released during the quake. | https://huggingface.co/datasets/allenai/sciq |
What are the rolling motions during an earthquake called? | There are two major types of seismic waves. Body waves travel through the Earth’s interior. Surface waves travel along the ground surface. In an earthquake, body waves are responsible for the sharp jolts. Surface waves are responsible for the rolling motions that do most of the damage in an earthquake. | https://huggingface.co/datasets/allenai/sciq |
What is the measurement for the amount of water vapor in the air? | A: Humidity is a measure of the amount of water vapor in the air. When humidity is high, sweat evaporates more slowly because there is already a lot of water vapor in the air. The slower evaporation rate reduces the potential for evaporative cooling. | https://huggingface.co/datasets/allenai/sciq |
Major exchange pools of carbon include organisms and what else? | Major exchange pools of carbon include organisms and the atmosphere. Carbon cycles more quickly between these components of the carbon cycle. | https://huggingface.co/datasets/allenai/sciq |
When light is absorbed by a material, what may increase? | Light may be absorbed by matter. This is called absorption of light. When light is absorbed, it doesn’t reflect from or pass through matter. Instead, its energy is transferred to particles of matter, which may increase the temperature of matter. | https://huggingface.co/datasets/allenai/sciq |
What branch of physical science looks at how heat, work, and various forms of energy are related to one another? | Just as the burning of wood releases energy in the form of heat, many other chemical reactions also release heat. There are also chemical reactions, such as photosynthesis in plants, which absorb energy in the form of heat. The study of energy changes in chemical reactions is called thermochemistry . The broader term t... | https://huggingface.co/datasets/allenai/sciq |
Connective tissues typically have three characteristic components in common: cells, large amounts of amorphous ground substance, and what else? | 4.3 | Connective Tissue Supports and Protects By the end of this section, you will be able to: • Identify and distinguish between the types of connective tissue: proper, supportive, and fluid • Explain the functions of connective tissues As may be obvious from its name, one of the major functions of connective tissue i... | https://huggingface.co/datasets/allenai/sciq |
What part of the plant holds the plant upright? | Stems hold plants upright, bear leaves and other structures, and transport fluids between roots and leaves. Like roots, stems contain dermal, ground, and vascular tissues. Trees have woody stems covered with bark. | https://huggingface.co/datasets/allenai/sciq |
What is a circuit that consists of one loop called? | A circuit that consists of one loop is called a series circuit. If its single loop is interrupted at any point, no current can flow through the circuit. | https://huggingface.co/datasets/allenai/sciq |
Leaves respond to these environmental stimuli by producing less what? | Vertebrates have a closed circulatory system with a heart. Blood is completely contained within blood vessels that carry the blood throughout the body. The heart is divided into chambers that work together to pump blood. There are between two and four chambers in the vertebrate heart. With more chambers, there is more ... | https://huggingface.co/datasets/allenai/sciq |
Mammals that lay eggs are called what? | Mammals have separate sexes and reproduce sexually. They produce eggs or sperm and must mate in order for fertilization to occur. A few mammals are oviparous. They lay eggs, which later hatch. These mammals are called monotremes. Most mammals are viviparous and give birth to live young. These mammals are either placent... | https://huggingface.co/datasets/allenai/sciq |
In what ocean is the mid-atlantic ridge located? | There is a lot of volcanic activity at divergent plate boundaries in the oceans. As the plates pull away from each other, they create deep fissures. Molten lava erupts through these cracks. The East Pacific Rise is a divergent plate boundary in the Pacific Ocean ( Figure below ). The Mid-Atlantic Ridge is a divergent p... | https://huggingface.co/datasets/allenai/sciq |
Models may be physical, conceptual, or what else? | Models may be physical, conceptual, or mathematical. | https://huggingface.co/datasets/allenai/sciq |
What is an organism that spreads bacteria or other pathogens? | Some bacteria are spread by vectors. A vector is an organism that spreads bacteria or other pathogens. Most vectors are animals, commonly insects. For example, deer ticks like the one in Figure below spread Lyme disease. Ticks carry Lyme disease bacteria from deer to people when they bite them. | https://huggingface.co/datasets/allenai/sciq |
What influences the types of plants and animals that inhabit a specific biome? | Climate influences the types of plants and animals that inhabit a specific biome. | https://huggingface.co/datasets/allenai/sciq |
In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube? | Development of the Embryo In the vast majority of ectopic pregnancies, the embryo does not complete its journey to the uterus and implants in the uterine tube, referred to as a tubal pregnancy. However, there are also ovarian ectopic pregnancies (in which the egg never left the ovary) and abdominal ectopic pregnancies ... | https://huggingface.co/datasets/allenai/sciq |
In a single-celled organism such as chlamydomonas, there is no what after fertilization? | Reproduction of Green Algae Green algae reproduce both asexually, by fragmentation or dispersal of spores, or sexually, by producing gametes that fuse during fertilization. In a single-celled organism such as Chlamydomonas, there is no mitosis after fertilization. In the multicellular Ulva, a sporophyte grows by mitosi... | https://huggingface.co/datasets/allenai/sciq |
Timber, medicines, dyes, oils, and rubber are just some of the useful products humans derive from what? | Plants provide many products for human use. They include timber, medicines, dyes, oils, and rubber. | https://huggingface.co/datasets/allenai/sciq |
Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles? | All crocodilians have, like humans, teeth set in bony sockets. But unlike mammals, they replace their teeth throughout life. Crocodiles and gharials (large crocodilians with longer jaws) have salivary glands on their tongue, which are used to remove salt from their bodies. This helps with life in a saltwater environmen... | https://huggingface.co/datasets/allenai/sciq |
When food enters the stomach after a period of fasting, a drop in what initiates the conversion of pepsinogen to pepsin? | produced in cells located in the stomach wall. When food enters the stomach after a period of fasting, pepsinogen is converted to its active form—pepsin—in a series of steps initiated by the drop in pH. Pepsin catalyzes the hydrolysis of peptide linkages within protein molecules. It has a fairly broad specificity but a... | https://huggingface.co/datasets/allenai/sciq |
Mutations that lead to cancer usually occur in genes that control the cell cycle. these include tumor-suppressor genes and what? | Mutations that lead to cancer usually occur in genes that control the cell cycle. These include tumor-suppressor genes and proto-oncogenes. | https://huggingface.co/datasets/allenai/sciq |
What type of environment is maintained in homeostasis? | Homeostasis is maintaining a constant internal environment. | https://huggingface.co/datasets/allenai/sciq |
When calculating impulse, consider the change in _______ of one of the objects in the collision? | the initial momentum of an object. When calculating impulse, consider the change in momentum of one of the objects in the collision. | https://huggingface.co/datasets/allenai/sciq |
What word describes any chemical that affects the body’s structure or function? | A drug is any chemical that affects the body’s structure or function. Many drugs, including both legal and illegal drugs, are psychoactive drugs . This means that they affect the central nervous system, generally by influencing the transmission of nerve impulses. For example, some psychoactive drugs mimic neurotransmit... | https://huggingface.co/datasets/allenai/sciq |
The entry of acidic chyme into the duodenum stimulates the release of what? | Pancreatic Secretion Regulation of pancreatic secretion is the job of hormones and the parasympathetic nervous system. The entry of acidic chyme into the duodenum stimulates the release of secretin, which in turn causes the duct cells to release bicarbonaterich pancreatic juice. The presence of proteins and fats in the... | https://huggingface.co/datasets/allenai/sciq |
Adulthood is divided into how many stages? | Adulthood is divided into the stages of early, middle, and late adulthood. | https://huggingface.co/datasets/allenai/sciq |
What is the single bone that forms the posterior skull and posterior base of the cranial cavity? | Occipital Bone The occipital bone is the single bone that forms the posterior skull and posterior base of the cranial cavity (Figure 7.9; see also Figure 7.8). On its outside surface, at the posterior midline, is a small protrusion called the external occipital protuberance, which serves as an attachment site for a lig... | https://huggingface.co/datasets/allenai/sciq |
Supersaturated solutions of most solids in water are prepared by cooling what? | (b) Write a balanced chemical equation showing the products of the dissolution of Fe(NO3)3. Compare the processes that occur when methanol (CH3OH), hydrogen chloride (HCl), and sodium hydroxide (NaOH) dissolve in water. Write equations and prepare sketches showing the form in which each of these compounds is present in... | https://huggingface.co/datasets/allenai/sciq |
Bacterial stis usually can be cured with what? | Bacterial STIs usually can be cured with antibiotics. | https://huggingface.co/datasets/allenai/sciq |
Intensity is defined to be the power per unit area carried by a what? | Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which energy is transferred by the wave. In equation form, intensity I is. | https://huggingface.co/datasets/allenai/sciq |
Trophic level 4 = tertiary consumers that eat what kind of consumers? | Trophic level 4 = tertiary consumers that eat secondary consumers. | https://huggingface.co/datasets/allenai/sciq |
What is produced when a colorless solution of lead nitrate is added to a colorless solution of potassium iodide? | When a colorless solution of lead(II) nitrate is added to a colorless solution of potassium iodide, a yellow solid called a precipitate is instantly produced ( Figure below ). A precipitate is a solid product that forms from a reaction and settles out of a liquid mixture. The formation of a precipitate may also indicat... | https://huggingface.co/datasets/allenai/sciq |
Due to the difference in the distribution of charge, water is what type of molecule? | Due to the difference in the distribution of charge, water is a polar molecule. | https://huggingface.co/datasets/allenai/sciq |
What do we call the major artery carrying recently oxygenated blood away from the heart? | Arterial Supply The major artery carrying recently oxygenated blood away from the heart is the aorta. The very first branches off the aorta supply the heart with nutrients and oxygen. The next branches give rise to the common carotid arteries, which further branch into the internal carotid arteries. The external caroti... | https://huggingface.co/datasets/allenai/sciq |
In a model of a hemoglobin molecule, the purple part indicates the presence of what element? | Hemoglobin Molecule. This model represents the protein hemoglobin. The purple part of the molecule contains iron. The iron binds with oxygen molecules. | https://huggingface.co/datasets/allenai/sciq |
What kind of gland produces an oily substance that waterproofs the hair and skin? | oily substance produced in the dermis by a sebaceous gland that waterproofs the hair and skin. | https://huggingface.co/datasets/allenai/sciq |
Which type of substance is considered a proton donor in a reaction? | The Arrhenius definition of acids and bases is somewhat limited. There are some compounds whose properties suggest that they are either acidic or basic, but which do not qualify according to the Arrhenius definition. An example is ammonia (NH 3 ). Its aqueous solution turns litmus blue, it reacts with acids, and displa... | https://huggingface.co/datasets/allenai/sciq |
What are materials that are good conductors of thermal energy called? | Conduction is usually faster in liquids and certain solids than in gases. Materials that are good conductors of thermal energy are called thermal conductors . Metals are excellent thermal conductors. They have freely moving electrons that can transfer energy quickly and easily. That’s why the metal pot in Figure above ... | https://huggingface.co/datasets/allenai/sciq |
Why do players with more mass often have a larger impact in football? | Figure 28.18 Momentum is an important concept for these football players from the University of California at Berkeley and the University of California at Davis. Players with more mass often have a larger impact because their momentum is larger. For objects moving at relativistic speeds, the effect is even greater. (cr... | https://huggingface.co/datasets/allenai/sciq |
What property is the result of force acting on a given area? | Pressure is the result of force acting on a given area. It can be represented by the equation:. | https://huggingface.co/datasets/allenai/sciq |
Nervous tissue consists of just two basic types of nerve cells: neurons and? | Although the nervous system is very complex, nervous tissue consists of just two basic types of nerve cells: neurons and glial cells. Neurons are the structural and functional units of the nervous system. They transmit electrical signals, called nerve impulses. Glial cells provide support for neurons. For example, they... | https://huggingface.co/datasets/allenai/sciq |
The plasma membrane of a skeletal muscle fiber is called the what? | Skeletal Muscle Fiber Structure Each skeletal muscle fiber is a skeletal muscle cell. These cells are incredibly large, with diameters of up to 100 µm and lengths of up to 30 cm. The plasma membrane of a skeletal muscle fiber is called the sarcolemma. The sarcolemma is the site of action potential conduction, which tri... | https://huggingface.co/datasets/allenai/sciq |
What is the force pulling an object downward called? | The weight of an object is the force pulling the object downward. On Earth, this would be the gravitational force of the Earth on the object. On the moon, this would be the gravitational force of the moon on the object. The gravitational force of the moon is one-sixth the magnitude of the gravitational force of the Ear... | https://huggingface.co/datasets/allenai/sciq |
Which part of all mammals have the same basic bone structure? | The forelimbs of all mammals have the same basic bone structure. | https://huggingface.co/datasets/allenai/sciq |
The only things that affect the period of a simple pendulum are its length and the acceleration due to gravity. the period is completely independent of other factors, such as this? | for the period of a simple pendulum. This result is interesting because of its simplicity. The only things that affect the period of a simple pendulum are its length and the acceleration due to gravity. The period is completely independent of other factors, such as mass. As with simple harmonic oscillators, the period ... | https://huggingface.co/datasets/allenai/sciq |
What is the amide bond that occurs between the amino nitrogen of one amino acid and the carboxyl carbon of another amino acid? | A peptide bond is the amide bond that occurs between the amino nitrogen of one amino acid and the carboxyl carbon of another amino acid. The resulting molecule is called a dipeptide. Notice that the particular side chains of each amino acid are irrelevant since the R groups are not involved in the peptide bond. | https://huggingface.co/datasets/allenai/sciq |
What encloses the border of animal cells? | 3.4 | The Cell Membrane By the end of this section, you will be able to: • Understand the fluid mosaic model of membranes • Describe the functions of phospholipids, proteins, and carbohydrates in membranes A cell’s plasma membrane defines the boundary of the cell and determines the nature of its contact with the enviro... | https://huggingface.co/datasets/allenai/sciq |
Heterotrophic organisms use organic compounds, usually from other organisms, as a source of what basic element of life? | Heterotrophic organisms use organic compounds, usually from other organisms, as carbon sources. | https://huggingface.co/datasets/allenai/sciq |
Electrons always result in what? | The addition of electrons always results in an anion that is larger than the parent atom. When the electrons outnumber the protons, the overall attractive force that the protons have for the electrons is decreased. The electron cloud also spreads out because more electrons results in greater electron-electron repulsion... | https://huggingface.co/datasets/allenai/sciq |
The diffusion of water across a membrane because of a difference in concentration is called? | The diffusion of water across a membrane because of a difference in concentration is called osmosis . Let's explore three different situations and analyze the flow of water. | https://huggingface.co/datasets/allenai/sciq |
What reflex is commonly tested in newborn infants to establish the presence of neuromuscular function? | Approximate colors are shown, along with pKin values and the pH range over which the color changes. It is important to be aware that an indicator does not change color abruptly at a particular pH value; instead, it actually undergoes a pH titration just like any other acid or base. As the concentration of HIn decreases... | https://huggingface.co/datasets/allenai/sciq |
All of the monatomic ions have oxidation numbers equal to their? | There are 6 elements in this reaction. All of the monatomic ions have oxidation numbers equal to their charges. Additionally, we can assign an oxidation state of -2 to each oxygen atom and +1 to each hydrogen atom. Now, we just need to assign the oxidation states of manganese in MnO 4 - , nitrogen in the nitrite and ni... | https://huggingface.co/datasets/allenai/sciq |
Unlike plants, animal species rely almost exclusively on what type of reproduction? | Introduction Plants have evolved different reproductive strategies for the continuation of their species. Some plants reproduce sexually, and others asexually, in contrast to animal species, which rely almost exclusively on sexual reproduction. Plant sexual reproduction usually depends on pollinating agents, while asex... | https://huggingface.co/datasets/allenai/sciq |
Give an example of benthos that live near vents on the deep ocean floor. | Some benthos live near vents on the deep ocean floor. Tubeworms are an example ( Figure below ). Scalding hot water pours out of the vents. The hot water contains chemicals that some specialized bacteria can use to make food. Tubeworms have the bacteria living inside them. The bacteria get protection and the tubeworms ... | https://huggingface.co/datasets/allenai/sciq |
What is the distinctive shape of the molecule that contains genetic information? | The spiral structure in the picture is a large organic molecule. Can you guess what it is? Here’s a hint: molecules like this one determine who you are. They contain genetic information that controls your characteristics. They determine your eye color, facial features, and other physical attributes. What molecule is it... | https://huggingface.co/datasets/allenai/sciq |
How do most echinoderms reproduce? | Some echinoderms can reproduce asexually by fission, but most echinoderms reproduce sexually. They generally have separate sexes and external fertilization. Eggs hatch into free-swimming larvae. The larvae undergo metamorphosis to change into the adult form. During metamorphosis, their bilateral symmetry changes to rad... | https://huggingface.co/datasets/allenai/sciq |
What do all cells have in common? | Cells with different functions often vary in shape. They may also vary in size. However, all cells are very small. Even the largest organisms have microscopic cells. Cells are so small that their diameter is measured in micrometers. A micrometer is just one-millionth of a meter. Use the sliding scale at the following l... | https://huggingface.co/datasets/allenai/sciq |
What do electric motors use to change electrical energy into kinetic? | Many common electric devices, such as doorbells, contain electromagnets. If they have moving parts, they are likely to have an electric motor. An electric motor is a device that uses an electromagnet to change electrical energy to kinetic energy. | https://huggingface.co/datasets/allenai/sciq |
What are prokaryotic cells filled with? | cytoplasm. Like all other cells, prokaryotic cells are filled with cytoplasm. It includes watery cytosol and other structures. | https://huggingface.co/datasets/allenai/sciq |
What is the name of plant-like protists? | Plant-like protists are called algae (singular, alga). They are a large and diverse group. Some algae, diatoms, are single-celled. Others, such as seaweed, are multicellular (see Figure below ). | https://huggingface.co/datasets/allenai/sciq |
A sticky, moist secretion that covers mucous membranes is called what? | One way mucous membranes protect the body is by producing mucus. Mucus is a sticky, moist secretion that covers mucous membranes. The mucus traps pathogens and particles so they can’t enter the body. | https://huggingface.co/datasets/allenai/sciq |
What system lets flatworms maintain a proper balance of water and salts? | Flatworms reflect several major evolutionary advances in invertebrates. They have three embryonic cell layers, including mesoderm. The mesoderm layer allows them to develop organ systems. For example, they have muscular and excretory systems. The muscular system allows them to move from place to place over solid surfac... | https://huggingface.co/datasets/allenai/sciq |
What gas associated with global warming is released when limestone is heated during the production of cement? | Carbon dioxide is released when limestone is heated during the production of cement. | https://huggingface.co/datasets/allenai/sciq |
Because their embryos are surrounded by a thin membrane, reptiles are considered what? | Reptiles are also amniotes, which means their embryos are surrounded by a thin membrane. | https://huggingface.co/datasets/allenai/sciq |
What type of energy is clean and does not release greenhouse gases? | Geothermal energy is clean and does not release greenhouse gases. | https://huggingface.co/datasets/allenai/sciq |
Physical and chemical properties of geometric isomers are generally what? | Physical and chemical properties of geometric isomers are generally different. While cis -2-butene is a polar molecule, trans -2-butene is nonpolar. Heat or irradiation with light can be used to bring about the conversion of one geometric isomer to another. The input of energy must be large enough to break the pi bond ... | https://huggingface.co/datasets/allenai/sciq |
What type of cell has a singular chromosome, no nucleus, and few other organelles? | Cell division is simpler in prokaryotes than eukaryotes because prokaryotic cells themselves are simpler. Prokaryotic cells have a single circular chromosome, no nucleus, and few other organelles. Eukaryotic cells, in contrast, have multiple chromosomes contained within a nucleus and many other organelles. All of these... | https://huggingface.co/datasets/allenai/sciq |
What does magma that cools underground form? | Magma that cools underground forms intrusions ( Figure below ). Usually this magma is very viscous felsic magma. This magma does not rise easily and so cools slowly underground. Intrusions become land formations if they are exposed at the surface by uplift and erosion. | https://huggingface.co/datasets/allenai/sciq |
What is used to report the results of scientific measurements? | The number in the measurement can be represented in different ways, including decimal form and scientific notation. (Scientific notation is also known as exponential notation; a review of this topic can be found in Appendix B. ) For example, the maximum takeoff weight of a Boeing 777-200ER airliner is 298,000 kilograms... | https://huggingface.co/datasets/allenai/sciq |
What is the first digestive organ that food enters? | The mouth is the first digestive organ that food enters. The sight, smell, or taste of food stimulates the release of saliva and digestive enzymes by salivary glands inside the mouth. Saliva wets the food, which makes it easier to break up and swallow. The enzyme amylase in saliva begins the chemical digestion of starc... | https://huggingface.co/datasets/allenai/sciq |
What is the term for the energy of movement? | 1. Mechanical energy is the energy of movement. It is found in objects that are moving or have the potential to move. | https://huggingface.co/datasets/allenai/sciq |
What type of organisms are helpless at birth and require lots of help from their parents? | Organisms can use different strategies to increase their reproduction rate. Altricial organisms are helpless at birth, and their parents give them a lot of care. This care is often seen in bird species. ( Figure below ). Altricial birds are usually born blind and without feathers. Compared to precocial organisms, altri... | https://huggingface.co/datasets/allenai/sciq |
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