Biology
VernitaOmarah
43

Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between active transport and passive transport? A. Active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps. B. Active transport is the only form of transport that requires the use of protein carriers. C. Active transport requires the cell to expend energy, while passive transport does not.

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Tray555

the answer is C, because in active transport molecules are moving against the concentration gradient which is from low pressure to high pressure (pushing against the pressure). whereas in passive transport it is moving with the flow of the concentration gradient which is from High to low (moving with the pressure).

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