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6 Cards in this Set
- Front
- Back
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What are some characteristics that make it difficult for a substance to cross a cell membrane?
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Size (difficult for large molecules), charge (ions have a hard time as well)
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Rate of diffusion of a substance is proportional to its _______ _________
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concentration difference
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________ transport moves solutes against a concentration gradient
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active
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The Na/K ATPase pump pumps 3___ out in exchange for 2____
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Na+, K+
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How is the large extracellular Na+ concentration harnessed to move other molecules against their concentration gradients?
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What pump, involved in acid secretion in the stomach is inhibited by drugs like prilosec?
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H/K ATPase
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