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Active transport involves the transport of molecules across a

Question

Active transport involves the transport of molecules across a cell membrane.
In order to establish and maintain a concentration gradient, which of the following condition is suitable?

A

Free energy is used to drive molecules back-and-forth across the transmembrane protein.

B

Free energy is used to drive molecules and across a transmembrane protein against the concentration gradient.

C

No free energy is required.

D

There must be an equal quantity of molecules on both sides of the membrane.

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Active transport involves the transport of molecules across a cell membrane.
In order to establish and maintain a concentration gradient, which of the following condition is suitable?

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Text solutionVerified

Free energy obtained from hydrolysis of ATP is used for the movement of solutes against their concentration gradient across the plasma membrane using a transport transmembrane protein also called pump

So, the correct answer is 'Free energy is used to drive molecules and across a transmembrane protein against the concentration gradient'

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Question Text	Active transport involves the transport of molecules across a cell membrane. In order to establish and maintain a concentration gradient, which of the following condition is suitable?
Answer Type	Text solution:1
Upvotes	150