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Question

Active transport through the plasma membrane occurs through the action of ___.

A
diffusion
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B
membrane proteins
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C
DNA
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D
water
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Solution

The correct option is B membrane proteins
Active transport through the plasma membrane occurs through the action of membrane proteins. Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration in the direction against some gradient or other obstructing factors.

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