Multiple Choice
In passive transport, how does increasing temperature generally affect the rate of diffusion of small molecules across a membrane or through a fluid?
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9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
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In the context of passive transport (diffusion and osmosis), facilitated diffusion is best described as which of the following?
A
A passive process in which water moves through aquaporins from lower to higher solute concentration, carrying solutes with it
B
A passive process in which solutes move down their concentration gradient through membrane proteins without direct ATP use
C
A vesicle-mediated process that imports solutes by endocytosis regardless of concentration gradient
D
An active process that uses ATP to pump solutes against their concentration gradient through carrier proteins
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Passive Transport: Diffusion and Osmosis practice set
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