Quiz 6 - a glucose side b there will be no net movement c...

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10-9-09 Quiz 6 1. ____ is one example of passive transport through a membrane. a. Osmosis b. Na/K pump c. Cotransport d. Electrogenic pump e. Phagocyosis 2. T/F: Despite the presence of multiple solutes in an unmixed solution, each solute will diffuse down its own concentration gradient independently of any other solute. 3. T/F: Facilitated diffusion is the active transport of a solute through a membrane via a protein ‘facilitator’. 4. Surface area of a membrane is ____ proportional to the rate of transport by diffusion. a. directly b. indirectly 5. Given a 1 molar soln of glucose on one side of a membrane, and 1 molar soln of maltose on the opposite side, the initial net movement of water will be to the.
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Unformatted text preview: .. a. glucose side. b. there will be no net movement c. maltose side. 6. Receptor-mediated endocytosis is an example of ___. a. specific bulk transport b, non-specific bulk transport 7. T/F: A ligand molecule’s receptor site will be either in the cytoplasm or in the nucleus IF it is a polar molecule. 8. The category of enzymes that catalyze protein phosphorylation: a. phosphatases b. phosphodiesterases c. kinases d. adenylyl cyclases 9. Many medicines act on this type receptor: a. Gated ion channel b. G protein-linked c. receptor tyrosine kinase 10. T/F: Ca ++ stored in ER is controlled by a ligand-gated ion channel receptor. Key: 1a, 2a, 3b, 4a, 5b, 6a, 7b, 8c, 9b, 10a...
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