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, Berne and Levy Physiology 8th Edition KoeppenTest Bank
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Koeppen: Berne and Levy Physiology, 8th Edition
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Chapter 01: Principles of Cell nh nh nh nh
FunctionTest Bank
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Multiple Choice nh
1. The subcellular structure that degrades proteins is called the:
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A. Tight junction nh
B. Mitochondria
C. Lysosome
D. Plasma membrane nh
E. Ribosome
ANS: C n h
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
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he cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
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hmarkedly reduced. According to this information, which of the followingmechanisms is pro
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bably responsible for the transport of the amino acid into the cell?
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A. Passive diffusion through the lipid bilayer
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B. Uniporter
C. Transport ATPase nh
D. Na+ symporter nh
E. Na+ antiporter
nh
ANS: D
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3. A membrane permeable by only Na+ separates two compartments containin
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g Na2SO4,shown as follows:
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