Lecture 3 - Osmosis and Membrane Dynamics

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Last updated 7:18 PM on 9/3/26
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8 Terms

1
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What protein creates the water-filled ion channels that lead to osmotic equilibrium?

Aquaporin

2
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What molecules can move freely between extracellular fluid and cells?

Only water

3
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How much of water in the body do cells/intracellular fluid account for?

2/3

4
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How much of the water in the body does extracellular fluid account for?

1/3

5
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What does extracellular fluid consist of?

Interstitial fluid and blood plasma

6
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What is it called when ions are not equally distributed across the cell membrane?

Chemical disequilibrium

7
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What is it called when the inside of the cell is more negatively charged than the outside?

Electric disequilibrium

8
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