💊 PCAT Exam Prep

Osmosis is the movement of:

A Solute across a membrane
B Water across a semipermeable membrane from low to high solute concentration
C Ions against concentration
D Proteins through pores

✓ Correct Answer: Option B

Osmosis is the net movement of water through a semipermeable membrane from low solute (high water) to high solute (low water) concentration.

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