Multiple Choice
Which of the following transport proteins transports two molecules across the membrane in the same direction?
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9. Transport Across Membranes
Passive Transport: Diffusion and Osmosis
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In cell biology, osmosis can be defined as which of the following?
A
The net movement of water across a selectively permeable membrane from lower solute concentration (higher water potential) to higher solute concentration (lower water potential)
B
The movement of water across a membrane using ATP-driven pumps against its concentration gradient
C
The net movement of solute molecules across a selectively permeable membrane from higher solute concentration to lower solute concentration
D
The bulk flow of water and solutes together through a membrane due to hydrostatic pressure (filtration)
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Passive Transport: Diffusion and Osmosis practice set
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