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27 August, 16:41

Which is NOT true regarding transport of molecules?

A)

Small, nonpolar molecules diffuse directly across the cell membrane.

B) Large molecules, such as glucose, use membrane proteins to cross the cell

membrane.

C) Osmosis is an active transport process that moves water against the

concentration gradient.

D)

Charged molecules, such as Cat, Na, and K * cannot diffuse directly across

the cell membrane and must use membrane proteins.

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Answers (1)
  1. 27 August, 17:07
    0
    The correct answer is option C) "Osmosis is an active transport process that moves water against the concentration gradient".

    Explanation:

    Osmosis is defined as a passive transport process, because it does not require energy to occur. Osmosis takes place when water moves from an area of high concentration to an area of low concentration. Therefore, it is false to affirm that osmosis is an active transport where water moves against its concentration gradient, actually the opposite is true about osmosis.
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