Tonicity and Osmoregulation

AP Biology· difficulty 2/5

Osmosis is the diffusion of

A
$Glucose into cells via facilitated transport$
B
$Water across a selectively permeable membrane$
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C
$Solute particles down their concentration gradient$
D
$Ions through voltage-gated channel proteins$

Explanation

Water moves toward higher solute concentration (= lower water concentration) through a selectively permeable membrane.

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