Osmosis is the diffusion of which through a selectively permeable membrane?

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Prepare for the West-MEC RMA-AMT Module 1 Exam. Use flashcards and multiple-choice questions with hints and detailed explanations to enhance your study experience. Gain confidence and be ready for your exam!

Multiple Choice

Osmosis is the diffusion of which through a selectively permeable membrane?

Explanation:
Osmosis is the diffusion of water through a selectively permeable membrane. Water moves from the side with more water (lower solute concentration) to the side with less water (higher solute concentration) to help balance concentrations. The membrane allows water to pass but largely restricts solutes, so the defining movement is of the solvent, not the dissolved substances. That’s why the correct choice is water. Solutes, proteins, or ions can diffuse or be transported, but they aren’t what osmosis describes.

Osmosis is the diffusion of water through a selectively permeable membrane. Water moves from the side with more water (lower solute concentration) to the side with less water (higher solute concentration) to help balance concentrations. The membrane allows water to pass but largely restricts solutes, so the defining movement is of the solvent, not the dissolved substances. That’s why the correct choice is water. Solutes, proteins, or ions can diffuse or be transported, but they aren’t what osmosis describes.

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