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,Berne and Levy Physiology 8th Edition Koepp
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, Berne and Levy Physiology 8th Edition Koepp
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eBerne and Levy Physiology 8th Edition KoeppenTest Bank Koepp
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en: Berne and Levy Physiology, 8th Edition
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Chapter 01: Principles of Cell Function hz hz hz hz hz hz
Test Bank hz
Multiple Choice h z
1. The subcellular structure that degrades proteins is called the:
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A. Tight junction hz
B. Mitochondria
C. Lysosome
D. Plasma membrane hz
E. Ribosome
ANS: C h z h z
2. An experiment is done to measure the uptake of an amino acid into a cell. The followi
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ng data are obtained:
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N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents t h
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e cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is mar
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kedly reduced. According to this information, which of the followingmechanisms is pro bably
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zresponsible for the transport of the amino acid into the cell?
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A. Passive diffusion through the lipid bilayer hz hz hz hz hz
B. Uniporter
C. Transport ATPase hz
D. Na+ symporter hz
E. Na+ antiporter hz hz
ANS: D h z
3. A membrane permeable by only Na+ separates two compartments containin
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g Na2SO4,shown as follows:
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