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lozanna [386]
3 years ago
5

Which movement of substances through a cell membrane against a concentration gradient requires energy?

Biology
1 answer:
Alja [10]3 years ago
3 0

Answer:active transport as it's difinition state

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S_A_V [24]
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(Didn't list features so might be wrong)

distance away from organism to energy source(sun)

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Highschool biology lab

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Its b I had this question earlier
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