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accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | movement a large unit within a symphony or concerto . it usually is comprised of many themes or musical ideas . notes symbols to represent sounds or pitches and duration of those sounds . | why are many of the musical terms in italian ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | for example , if we have the note d and we add a flat to it the note now becomes d-flat or d♭ . form the shape or organization of a musical composition . forte ( italian ) loud or strong . | how many of these terms do you need to form a pop song , since some of these are for orchestral pieces of music ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | pitch the frequency of a note determining how high or low it sounds ( “ frequency ” in this context is the number of complete oscillations per second of energy as sound in the form of sound-waves ) . piu ( italian ) more . for example , piu piano would mean more softly . | would n't it be nice to have some explanation on why terms in italian abound in the world of classical music ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | movement a large unit within a symphony or concerto . it usually is comprised of many themes or musical ideas . notes symbols to represent sounds or pitches and duration of those sounds . | why so many musical words are italian ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | sforzando ( italian ) forceful , usually accented . sharp when a sharp symbol ♯ is added to a note it raises the note by a half-step . for example , if we have the note g and we add a sharp to it the note now becomes g-sharp , or g♯ . solo for one player ( musician ) , or to be played alone . | when a note is pointed up what does that mean ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | key a group of pitches based on a particular tonic , and comprising a scale , regarded as forming the tonal basis of a piece or section of music . larghetto ( italian ) usually slightly faster than largo . largo ( italian ) meaning wide , broad . | is larghetto faster than lento ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . | is n't grave italian for dead , and a tempo ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | key a group of pitches based on a particular tonic , and comprising a scale , regarded as forming the tonal basis of a piece or section of music . larghetto ( italian ) usually slightly faster than largo . largo ( italian ) meaning wide , broad . | when describing larghetto , what does it mean 'usually ' ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | largo ( italian ) meaning wide , broad . in music a tempo marking meaning to be performed quite slowly . major this refers to a specific chord or key . | are the there any glossaries that have music term describing for the sound ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | largo ( italian ) meaning wide , broad . in music a tempo marking meaning to be performed quite slowly . major this refers to a specific chord or key . | when reading harder types of music lets say bach 's music what about the beats of sixteenth notes and above ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | piu ( italian ) more . for example , piu piano would mean more softly . resolution a group of chords can create harmonic tension . | what does it mean if a fermata is square shaped ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | sforzando ( italian ) forceful , usually accented . sharp when a sharp symbol ♯ is added to a note it raises the note by a half-step . for example , if we have the note g and we add a sharp to it the note now becomes g-sharp , or g♯ . solo for one player ( musician ) , or to be played alone . | in violin , what does a horizontal line on the top or bottom of a note mean ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | bar/measure a specific number of musical sounds that are organized within a measure , and that are contained within two solid lines called bar lines . please see music basics : notes and rhythm , lesson 1 : note values , duration , and time signatures beat/pulse regular pattern within a bar or measure . please see musi... | is there a place and time when you should play music and how many years does it take to master in reading the notes and trying to find the right tone you like ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | piu ( italian ) more . for example , piu piano would mean more softly . resolution a group of chords can create harmonic tension . | why would we need a glossary in music ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . | what is a tone poem ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . | why does n't it include things such as speed and notes ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | largo ( italian ) meaning wide , broad . in music a tempo marking meaning to be performed quite slowly . major this refers to a specific chord or key . | does anyone know the difference between a theme and a subject in music ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | largo ( italian ) meaning wide , broad . in music a tempo marking meaning to be performed quite slowly . major this refers to a specific chord or key . | why was music created or invented ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | piu ( italian ) more . for example , piu piano would mean more softly . resolution a group of chords can create harmonic tension . | what is the word mean upbeat means ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | pitch the frequency of a note determining how high or low it sounds ( “ frequency ” in this context is the number of complete oscillations per second of energy as sound in the form of sound-waves ) . piu ( italian ) more . for example , piu piano would mean more softly . | why are the music terms italian ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | measure a measurement of time in music that contains a specific number of pulses defined by a time signature , and that is contained within bar lines . melody an identifiable succession of musical sounds . minor this refers to a specific chord or key . | how melody shape of a piece is described ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | measure a measurement of time in music that contains a specific number of pulses defined by a time signature , and that is contained within bar lines . melody an identifiable succession of musical sounds . minor this refers to a specific chord or key . | should i observe scales chords sequenced melody pattern indicating the bars where they occur ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | piu ( italian ) more . for example , piu piano would mean more softly . resolution a group of chords can create harmonic tension . | what does the phrase `` arco '' mean ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | it usually is comprised of many themes or musical ideas . notes symbols to represent sounds or pitches and duration of those sounds . please see music basics : notes and rhythm , lesson 1 : note values , duration , and time signatures octave the interval between two musical notes , the upper one of which has twice the ... | what is notes in music ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | movement a large unit within a symphony or concerto . it usually is comprised of many themes or musical ideas . notes symbols to represent sounds or pitches and duration of those sounds . | i wonder how many instruments there are in america ? |
accent an emphasis or “ punch ” at the beginning of a musical sound . adagio ( italian ) meaning a slow tempo or slow speed . sometimes it is the name of a work like mozart 's adagio for violin and orchestra . andante ( italian ) meaning a walking tempo or walking pace ; a moderate speed . bar/measure a specific number... | largo ( italian ) meaning wide , broad . in music a tempo marking meaning to be performed quite slowly . major this refers to a specific chord or key . | why do people even play music ? |
what is this object ? where does it come from ? this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000... | this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000 years old makes this bottle one of the oldest o... | when is first record of money in china ? |
what is this object ? where does it come from ? this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000... | this bottle provides direct evidence of early ‘ painted pottery ’ cultures–so-called because of the characteristic painting of designs on ochre-colored earthenware jars and bottles . the general group of cultures throughout central china during the early neolithic period are called yangshao , after the name of the orig... | what is the neolithic period exactly ? |
what is this object ? where does it come from ? this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000... | graves were found beyond the perimeter of the village . some children were found buried in urns under the houses or within the walls of the dwellings . how was the bottle made ? | how thick were the walls of the pot ? |
what is this object ? where does it come from ? this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000... | the bottle has a flat base , a mushroom-shaped mouth and fans out in the middle of the body . it was painted dark red with geometric patterns around the body and neck of the bottle . why is this piece important ? | was it glazed and fired , or painted after firing ? |
what is this object ? where does it come from ? this is a small ceramic bottle , found as part of an excavation of an ancient site along the banks of the yellow river in shaanxi province in north-central china . the north-central plains have revealed remains of some of the oldest settlements in china . being over 5,000... | banpo refers to the specific phase ( in time ) and it is also the name of the site , which can still be seen outside the modern city of xian . the bottle also shows how long ago , chinese potters took an interest in forming vessels with interesting patterns on them , an early harbinger of the centuries of ceramic tradi... | you mean do the chinese have a language ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | twelve years later , starting in 1909 , robert millikan performed his oil drop experiments to establish the charge of the electron . the charge on an electron can be expressed in coulombs as $ e^- = -1.602176565 \times 10^ { -19 } \ , \text { coulomb } $ . if we invert this expression , we see that the coulomb can be s... | charge of an atom- e- = -1.602176565 x 10e-19 coulomb 1 coulomb = 6.241509343 x 10e18 elections how did you invert this equation ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | when the force is $ 2 \times 10^ { -7 } $ newtons , the current is 1 ampere , by definition . coulomb the coulomb is the si unit of charge . the size of a coulomb is derived from the ampere . | for volt can we say : energy that a coulomb possess ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | also , there is a formal derivation of the meaning of voltage in the electrostatics section . ohm the ohm is the electrical unit of resistance . one ohm is defined as the resistance between two points of a conductor when 1 volt is applied and a current of 1 ampere is flowing . | can someone please clarify what exactly the unit ohm represents ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | then we derive the rest of our favorites , the watt , the volt , and the ohm . these derived electrical units are defined in terms of the ampere and other si base units ( meter , kilogram , second ) . ampere the definition of the si unit of current , the ampere , comes from the study of magnetism . | in terms of ( 1 ohm= 1 volt/ampere ) , and translating the base units into ( joule*second ) / ( coulomb^2 ) , my question is : is there a way to wrap my brain around this weird configuration of units ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the ampere has the same lofty status as the meter , kilogram , and second . it is defined as its own thing , not in terms of other units . si derived units used in electricity the remaining electrical units are si derived units , formed by combinations of the base units . | when we start getting into smaller control circuits , do capacitors do the same thing that they would in larger voltage applications ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | apply the same current to both wires , flowing in the same direction . adjust the current up or down while measuring the force on a wire . when the force is $ 2 \times 10^ { -7 } $ newtons , the current is 1 ampere , by definition . | and follow the electrons as they move through a wire , would electron `` a '' actually move through the entire length of the wire ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . | or do the electrons sort of bump into one another like a first in first out situation so that electron `` a '' really does n't move the entire length of the wire ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | si derived units used in electricity the remaining electrical units are si derived units , formed by combinations of the base units . if the ampere is the `` first '' electrical unit , these derived electrical units follow close behind . | name | symbol | quantity | in terms of other si units | | : -- -- -- -- -- - : |... | why does an electrical appliance get hot when current passes through it ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and charge on an electron . | what ever happened to the moh as a unit of conductance ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | watt the watt is the unit of power . power is the rate of energy transferred or consumed per unit of time ; equivalently , power is the rate of doing work . in standard-speak , the watt is the power which in one second gives rise to energy of 1 joule . | what is the difference between energy and work ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | two parallel wires carrying a current will exert a force between them . the official si definition of the ampere is as follows : the ampere is that constant current which—if maintained in two straight parallel conductors of infinite length , of negligible circular cross-section , and placed 1 meter apart in vacuum—woul... | what does `` negligible cross section '' mean in the definition of an ampere ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . | the magnetic flux is defined by ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | to create a standard $ 1 $ ampere , you perform some version of the following experiment . set up two 1-meter-long wires in parallel , and arrange for a way to measure the force on the wires ( a strain gauge ) . apply the same current to both wires , flowing in the same direction . | how do you apply `` force '' on the wires , as the first figure illustrates ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | in standard-speak , the watt is the power which in one second gives rise to energy of 1 joule . $ 1 \ , \text { watt } = 1 \ , \text { joule } /\ , \text { second } $ volt the volt is the unit of electric potential difference—electric potential difference is also known as voltage . the size of 1 volt is officially defi... | what does `` potential energy difference '' mean , and how does it compare to the analogy of pressure on a hose ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | when the force is $ 2 \times 10^ { -7 } $ newtons , the current is 1 ampere , by definition . coulomb the coulomb is the si unit of charge . the size of a coulomb is derived from the ampere . one coulomb is defined as the amount of charge flowing when the current is 1 ampere . $ 1 \ , \text { ampere } = 1\ , \text { co... | why is the coulomb such a huge unit compared to the ampere when 1 ampere is equal to 1 coulomb in a second ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the size of a coulomb is derived from the ampere . one coulomb is defined as the amount of charge flowing when the current is 1 ampere . $ 1 \ , \text { ampere } = 1\ , \text { coulomb } /\text { second } $ or equivalently , $ 1 \ , \text { coulomb } = 1\ , \text { ampere } \cdot \ , \text { second } $ electron charge ... | why is it so hard for the power company to push 1 coulomb but so easy to move 1 ampere ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | mks is based on measuring lengths in meters , mass in kilograms , and time in seconds . mks is generally used in engineering and beginning physics . it was proposed in 1901 . | is the the coulomb used in modern engineering for industrial purposes anymore ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . | why do light bulbs say ( x ) watts and not ( x ) volts ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | there are seven si base units . si base units | name | symbol | quantity | | : -- -- -- -- -- - : | : -- -- -- -- -- -- : | -- -- -- -- -- -- -- | | meter| $ \text { m } $ | length | | kilogram| $ \text { kg } $ | mass | | second | $ \text { s } $ | time | | ampere| $ \text { a } $ | electric current | | kelvin | $ \te... | why does k mean temperature ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | also , there is a formal derivation of the meaning of voltage in the electrostatics section . ohm the ohm is the electrical unit of resistance . one ohm is defined as the resistance between two points of a conductor when 1 volt is applied and a current of 1 ampere is flowing . | is there a major difference between defining h as h = wb/a vs h = ohm/s ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . | when was a mole mentioned or defined prior to this article ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | if we invert this expression , we see that the coulomb can be stated in terms of number of electron charges : $ 1 \ , \text { coulomb } = 6.241509343 \times 10^ { 18 } \ , \text { electrons } $ concept check how many electrons in 1 ampere ? how many coulombs in 1 mole of electrons ? one mole of electrons is $ 6.02214 \... | then do rechargeable batteries have no electrons ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | in standard-speak , the watt is the power which in one second gives rise to energy of 1 joule . $ 1 \ , \text { watt } = 1 \ , \text { joule } /\ , \text { second } $ volt the volt is the unit of electric potential difference—electric potential difference is also known as voltage . the size of 1 volt is officially defi... | does the gravity force have any influence on electric flows ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | si derived units used in electricity the remaining electrical units are si derived units , formed by combinations of the base units . if the ampere is the `` first '' electrical unit , these derived electrical units follow close behind . | name | symbol | quantity | in terms of other si units | | : -- -- -- -- -- - : |... | more of a prac question , when defining the capability of an electrical component , would it be accurate to say that a component will usually fail due to excessive heat exposure ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the size of a coulomb is derived from the ampere . one coulomb is defined as the amount of charge flowing when the current is 1 ampere . $ 1 \ , \text { ampere } = 1\ , \text { coulomb } /\text { second } $ or equivalently , $ 1 \ , \text { coulomb } = 1\ , \text { ampere } \cdot \ , \text { second } $ electron charge ... | so in theory a component rated at 12v 1a =12w would still function without failing at 24v .5a or a crazy 240v .05a as these values are still producing the same amount of heat through the component ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | if the ampere is the `` first '' electrical unit , these derived electrical units follow close behind . | name | symbol | quantity | in terms of other si units | | : -- -- -- -- -- - : | : -- -- -- -- -- -- : | -- -- -- -- -- -- -- | : -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- : | | coulomb | $ \text { c } ... | are ohms and siemens just inverses of each other ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the size of a coulomb is derived from the ampere . one coulomb is defined as the amount of charge flowing when the current is 1 ampere . $ 1 \ , \text { ampere } = 1\ , \text { coulomb } /\text { second } $ or equivalently , $ 1 \ , \text { coulomb } = 1\ , \text { ampere } \cdot \ , \text { second } $ electron charge ... | now the problem i was faced with is : if there is a current of 15 a in a circuit for 5 minutes , what quantity of electric charge is flowing through the circuit ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | si is based on the metre-kilogram-second system ( mks ) . in the united states , the si is used in science , medicine , government , technology , and engineering . mks is based on measuring lengths in meters , mass in kilograms , and time in seconds . | if the copyright states that bla bla bla something to do with cc by-nc-sa 4.0. then why does n't that tell us about that to in the article ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | when the force is $ 2 \times 10^ { -7 } $ newtons , the current is 1 ampere , by definition . coulomb the coulomb is the si unit of charge . the size of a coulomb is derived from the ampere . | electricity is measured in kwh when you purchase it from the power company ... is that related to the coulomb unit in some way ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | if we invert this expression , we see that the coulomb can be stated in terms of number of electron charges : $ 1 \ , \text { coulomb } = 6.241509343 \times 10^ { 18 } \ , \text { electrons } $ concept check how many electrons in 1 ampere ? how many coulombs in 1 mole of electrons ? one mole of electrons is $ 6.02214 \... | is there a way to turn the kwh on the power bill into farads or coulombs ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | those magnetic fields in turn give rise to magnetic forces on the wires ( ampere 's force law , 1825 ) . two parallel wires carrying a current will exert a force between them . the official si definition of the ampere is as follows : the ampere is that constant current which—if maintained in two straight parallel condu... | what happens to a current ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | also , there is a formal derivation of the meaning of voltage in the electrostatics section . ohm the ohm is the electrical unit of resistance . one ohm is defined as the resistance between two points of a conductor when 1 volt is applied and a current of 1 ampere is flowing . | does the wire 's resistance affect that ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | the size of a coulomb is derived from the ampere . one coulomb is defined as the amount of charge flowing when the current is 1 ampere . $ 1 \ , \text { ampere } = 1\ , \text { coulomb } /\text { second } $ or equivalently , $ 1 \ , \text { coulomb } = 1\ , \text { ampere } \cdot \ , \text { second } $ electron charge ... | in the description of a coulomb , why is it written - '' 1ampere=1coulomb/second 1coulomb=1ampere.second '' specifically , why use '/ ' in the top line and a period mark in the lower one ? |
electrical units can be described in a formal manner , and that 's what we do here . the standard electrical units are defined in a specific order . the ampere is defined first . it is an si base unit , the only electrical unit derived from the outcome of an experiment . next up after the ampere comes the coulomb and c... | to create a standard $ 1 $ ampere , you perform some version of the following experiment . set up two 1-meter-long wires in parallel , and arrange for a way to measure the force on the wires ( a strain gauge ) . apply the same current to both wires , flowing in the same direction . | for example , how do i measure 1a in a simple series circuit with a battery and resistor ? |
background notation for integrating along a curve multivariable functions parametric function what we 're building to in the same way that an ordinary integral $ \displaystyle \int_a^b f ( x ) dx $ has you walking along the $ x $ axis and adding up certain tiny quantities as you go , a line integral $ \displaystyle\int... | knowing how to set this up just takes a little practice , which is what we 're doing here . that said , line integrals can be a real pain to actually compute . most of them end up in a state where you need to plug the integral into a computer to get an answer , but even when the integral is solvable the numbers involve... | is there any way to do these integrals faster , perhaps a pattern to look for of some sort ? |
background notation for integrating along a curve multivariable functions parametric function what we 're building to in the same way that an ordinary integral $ \displaystyle \int_a^b f ( x ) dx $ has you walking along the $ x $ axis and adding up certain tiny quantities as you go , a line integral $ \displaystyle\int... | background notation for integrating along a curve multivariable functions parametric function what we 're building to in the same way that an ordinary integral $ \displaystyle \int_a^b f ( x ) dx $ has you walking along the $ x $ axis and adding up certain tiny quantities as you go , a line integral $ \displaystyle\int... | in the first example why we took the multivariable function f ( x , y ) = x + y ? |
background notation for integrating along a curve multivariable functions parametric function what we 're building to in the same way that an ordinary integral $ \displaystyle \int_a^b f ( x ) dx $ has you walking along the $ x $ axis and adding up certain tiny quantities as you go , a line integral $ \displaystyle\int... | background notation for integrating along a curve multivariable functions parametric function what we 're building to in the same way that an ordinary integral $ \displaystyle \int_a^b f ( x ) dx $ has you walking along the $ x $ axis and adding up certain tiny quantities as you go , a line integral $ \displaystyle\int... | in the first example why we took the multivariable function f ( x , y ) = x + y ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | if the cell needs more sugar in to meet its metabolic needs , how can it get that sugar in ? here , the cell ca n't import glucose for free using diffusion , because the natural tendency of the glucose will be to diffuse out rather than flowing in . instead , the cell must bring in more glucose molecules via active tra... | or does the symporter simply wait for a glucose to fall into place in its own time ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the sodium-potassium pump cycle the sodium-potassium pump transports sodium out of and potassium into the cell in a repeating cycle of conformational ( shape ) changes . in each cycle , three sodium ions exit the cell , while two potassium ions enter . this process takes place in the following steps : to begin , the pu... | if not , does the symporter store energy from sodium ions until a glucose arrives ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | for instance , in the figure below , a carrier protein lets sodium ions move down their gradient , but simultaneously brings a glucose molecule up its gradient and into the cell . the carrier protein uses the energy of the sodium gradient to drive the transport of glucose molecules . in secondary active transport , the... | how does the antiporter provide energy for molecules to go in the `` opposite '' direction ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the sodium-potassium pump cycle the sodium-potassium pump transports sodium out of and potassium into the cell in a repeating cycle of conformational ( shape ) changes . in each cycle , three sodium ions exit the cell , while two potassium ions enter . this process takes place in the following steps : to begin , the pu... | if there are more potassium ions in a cell , how is the cell negatively charged ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | if a route such as a channel or carrier protein is open , sodium ions will move down their concentration gradient and return to the interior of the cell . in secondary active transport , the movement of the sodium ions down their gradient is coupled to the uphill transport of other substances by a shared carrier protei... | what is the main difference between active transport using a carrier protein , and passive transport using facilitated diffusion ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | in secondary active transport , the movement of the sodium ions down their gradient is coupled to the uphill transport of other substances by a shared carrier protein ( a cotransporter ) . for instance , in the figure below , a carrier protein lets sodium ions move down their gradient , but simultaneously brings a gluc... | how does the carrier protein `` harness '' energy from another molecules concentration gradient ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | in secondary active transport , the movement of the sodium ions down their gradient is coupled to the uphill transport of other substances by a shared carrier protein ( a cotransporter ) . for instance , in the figure below , a carrier protein lets sodium ions move down their gradient , but simultaneously brings a gluc... | does the glucose molecule just randomly attach itself to the protein when it 's about to transport a sodium ion to the other side ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the sodium-potassium pump cycle the sodium-potassium pump transports sodium out of and potassium into the cell in a repeating cycle of conformational ( shape ) changes . in each cycle , three sodium ions exit the cell , while two potassium ions enter . this process takes place in the following steps : to begin , the pu... | hi , i 'm just a little curious , why ca n't 3 potassium ions be pumped out and 2 sodium ions pumped in ( the other way around ) ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the final concentrations of potassium on the two sides of the membrane will be a balance between these opposing forces . the combination of concentration gradient and voltage that affects an ion ’ s movement is called the electrochemical gradient . active transport : moving against a gradient to move substances against... | why does the diffusion of the solute down its concentration gradient release energy ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | for more explanation of how the voltage across the membrane is established , take a look at the membrane potential article in the neurobiology section . secondary active transport the electrochemical gradients set up by primary active transport store energy , which can be released as the ions move back down their gradi... | are carrier proteins called pumps , in active transport ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | for instance , most of a red blood cell ’ s energy is used to maintain internal sodium and potassium levels that differ from those of the surrounding environment . active transport mechanisms can be divided into two categories . primary active transport directly uses a source of chemical energy ( e.g. , atp ) to move m... | why wouldnt cells use atp for primary active transport of glucose directly , why go through a second step ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | primary active transport one of the most important pumps in animal cells is the sodium-potassium pump , which moves na $ ^+ $ out of cells , and k $ ^+ $ into them . because the transport process uses atp as an energy source , it is considered an example of primary active transport . not only does the sodium-potassium ... | what happened to active transport when atp is depleted ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | while this charge ratio does make the cell ’ s interior slightly more negative , it actually accounts for only a tiny fraction of the sodium-potassium pump ’ s effect on membrane potential . instead , the sodium-potassium pump acts primarily by building up a high concentration of potassium ions inside the cell , which ... | why ca n't the sodium move down it 's concentration gradient by using the same channel the potassium uses ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | primary active transport directly uses a source of chemical energy ( e.g. , atp ) to move molecules across a membrane against their gradient . secondary active transport ( cotransport ) , on the other hand , uses an electrochemical gradient – generated by active transport – as an energy source to move molecules gainst ... | in diffusion and passive transport , you said the potassium and sodium is one of using facilitated diffusion channel it means not require atp but why you mention about k+ , na+ pump in active transport again ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | we ’ ll look at each type of active transport in greater detail below . primary active transport one of the most important pumps in animal cells is the sodium-potassium pump , which moves na $ ^+ $ out of cells , and k $ ^+ $ into them . because the transport process uses atp as an energy source , it is considered an e... | does it mean k+ , na+ pump act as active and also facilitated diffusion ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | as an example , let 's suppose we have a high concentration of sodium ions in the extracellular space ( thanks to the hard work of the sodium-potassium pump ) . if a route such as a channel or carrier protein is open , sodium ions will move down their concentration gradient and return to the interior of the cell . in s... | i want to clarify it , and also active protein tranpoter has gate channel or carrier ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | here , the cell ca n't import glucose for free using diffusion , because the natural tendency of the glucose will be to diffuse out rather than flowing in . instead , the cell must bring in more glucose molecules via active transport . in active transport , unlike passive transport , the cell expends energy ( for examp... | but what happens to the excess potassium inside the cell coming in by the primary active transport ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | for more explanation of how the voltage across the membrane is established , take a look at the membrane potential article in the neurobiology section . secondary active transport the electrochemical gradients set up by primary active transport store energy , which can be released as the ions move back down their gradi... | can active transport occur in a de-shelled egg placed in a 50 % sugar solution during 4 days ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the primary electrogenic pump in plants is one that pumps hydrogen ions ( h $ ^+ $ ) rather than sodium and potassium $ ^ { 2,3 } $ . the sodium-potassium pump cycle the sodium-potassium pump transports sodium out of and potassium into the cell in a repeating cycle of conformational ( shape ) changes . in each cycle , ... | how can the cell tell between potassium and sodium if they are both + ions ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | while this charge ratio does make the cell ’ s interior slightly more negative , it actually accounts for only a tiny fraction of the sodium-potassium pump ’ s effect on membrane potential . instead , the sodium-potassium pump acts primarily by building up a high concentration of potassium ions inside the cell , which ... | what is the point in pumping in potassium if it will go right back out ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | in this form , the pump really likes to bind ( has a high affinity for ) sodium ions , and will take up three of them . when the sodium ions bind , they trigger the pump to hydrolyze ( break down ) atp . one phosphate group from atp is attached to the pump , which is then said to be phosphorylated . | what exactly is atp composed of ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | here , the cell ca n't import glucose for free using diffusion , because the natural tendency of the glucose will be to diffuse out rather than flowing in . instead , the cell must bring in more glucose molecules via active transport . in active transport , unlike passive transport , the cell expends energy ( for examp... | what was the different between active and passive transport ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | for more explanation of how the voltage across the membrane is established , take a look at the membrane potential article in the neurobiology section . secondary active transport the electrochemical gradients set up by primary active transport store energy , which can be released as the ions move back down their gradi... | what is the function of primary active transport and secondary active transport ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | when the sodium ions bind , they trigger the pump to hydrolyze ( break down ) atp . one phosphate group from atp is attached to the pump , which is then said to be phosphorylated . adp is released as a by-product . | what happens to the phosphate group in the pump once is let go ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | the sodium-potassium pump cycle the sodium-potassium pump transports sodium out of and potassium into the cell in a repeating cycle of conformational ( shape ) changes . in each cycle , three sodium ions exit the cell , while two potassium ions enter . this process takes place in the following steps : to begin , the pu... | does it go in the extracellular space before the k ions are transported in the cell ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | here , the cell ca n't import glucose for free using diffusion , because the natural tendency of the glucose will be to diffuse out rather than flowing in . instead , the cell must bring in more glucose molecules via active transport . in active transport , unlike passive transport , the cell expends energy ( for examp... | do molecules during active transport go to an area with higher or lower concentration ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | as an example of how the membrane potential can affect ion movement , let ’ s look at sodium and potassium ions . in general , the inside of a cell has a higher concentration of potassium ( k $ ^+ $ ) and a lower concentration of sodium ( na $ ^+ $ ) than the extracellular fluid around it . if sodium ions are outside o... | what will happen if the concentration of glucose in the lumen is higher than that in the absorbing cell ? |
introduction passive transport is a great strategy for moving molecules into or out of a cell . it 's cheap , it 's easy , and all the cell has to do is sit there and let the molecules diffuse in . but ... it also does n't work in every situation . for instance , suppose the sugar glucose is more concentrated inside of... | active transport : moving against a gradient to move substances against a concentration or electrochemical gradient , a cell must use energy . active transport mechanisms do just this , expending energy ( often in the form of atp ) to maintain the right concentrations of ions and molecules in living cells . in fact , c... | how do blood cells produce energy if they have no mitochondria ( and no nucleus ) ? |
prior to their recent destruction , the 6th-7th century , rock-cut buddha sculptures in the bamiyan valley of central afghanistan were considered the largest in the world . known collectively as the bamiyan buddhas , the two monumental sculptures have amazed both buddhist and non-buddhist visitors for more than a thous... | one can imagine what a powerful impression these monumental buddhas would have made on passersby and worshippers . destruction mullah omar ordered taliban forces to demolish the bamiyan buddhas in 2001 . the destruction was complete . | when were the bamiyan buddhas built , and why did the taliban destroy them ? |
prior to their recent destruction , the 6th-7th century , rock-cut buddha sculptures in the bamiyan valley of central afghanistan were considered the largest in the world . known collectively as the bamiyan buddhas , the two monumental sculptures have amazed both buddhist and non-buddhist visitors for more than a thous... | only outlines of the figures and a few details remain . the direction to destroy the buddha images was motivated , in part , by the taliban ’ s extreme iconoclastic campaign as well as their disdain for western interest and funding that had gone to protecting the images while there was an intense and growing need for h... | do you think the taliban had a point -- that it was unacceptable how western funding preserved an ancient statue while thousands of afghanis starved ? |
prior to their recent destruction , the 6th-7th century , rock-cut buddha sculptures in the bamiyan valley of central afghanistan were considered the largest in the world . known collectively as the bamiyan buddhas , the two monumental sculptures have amazed both buddhist and non-buddhist visitors for more than a thous... | however , their very existence points to the importance of the buddhist faith and the bamiyan valley during this period . buddhism along the silk route bamiyan is located between the indian subcontinent ( to the southeast ) and central asia ( to the north ) , which made it an important location close to one of the most... | of course , destroying such an immensely important and historic object is horrendous , but should n't we at least reconsider whether our attention should help old sites vs. living , suffering people ? |
prior to their recent destruction , the 6th-7th century , rock-cut buddha sculptures in the bamiyan valley of central afghanistan were considered the largest in the world . known collectively as the bamiyan buddhas , the two monumental sculptures have amazed both buddhist and non-buddhist visitors for more than a thous... | [ 1 ] it is against this backdrop of carved caves that the two monumental buddha images were carved . monumental buddhas prior to their destruction in 2001 , two monumental buddha sculptures could be seen carved into the cliff facing the bamiyan valley . the larger of the two figures , located on the western end ( on t... | what is the bamiyan buddha symbolic of , and what purpose did it serve ? |
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