UT Knoxville BCMB 230 - BCMB230ex1s14 (8 pages)

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BCMB230ex1s14



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BCMB230ex1s14

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Pages:
8
School:
University of Tennessee
Course:
Bcmb 230 - Human Physiology
Human Physiology Documents

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Human Physiology Spring 2014 Exam I 1 If red blood cells are placed in a hyperosmotic solution they will a shrink b swell c can t tell what the cell will do d remain the same 2 If red blood cells are placed in a solution that is hypotonic the cells will a shrink b swell c remain the same d change depends on type of solutes 3 Using the information presented in lecture which of the following is most likely to be the source for the keto acid necessary for the production of the amino acid glutamate 3 carbon R group a glycolysis b Krebs cycle c lactate d production of acetyl CoA 4 Which of the following would decrease the rate of diffusion of sodium ions a increased degradation of Na channels b increased transcription of the Na channel gene c increase the activity of Na K ATPase d none of the above 5 Which of the following is a type of posttranslational modification a glycolysis b glycogenolysis c glycosylation d gluconeogenesis 6 H bonds important in the secondary structure of proteins are produced because of polar covalent bonds involving a phosphate b nitrogen c oxygen d both b and c 7 Denaturing a protein a can be caused by inappropriate pH or temperature b is always irreversible c may be used to regulate the number of specific proteinsd all of the above 8 Which of the following is consistent with an increase in affinity at a binding site a ligand is more likely to bind to the site b ligand stays bound to site for a longer time c increased in ionic or hydrogen bonding between ligand and site d all of the above 9 Mediated transport a has a maximum rate of transport that is dependent on concentration of the transported solute b may move solutes down the concentration gradient c may move solutes against the concentration gradient d all of the above 10 If a transport protein reaches its transport maximum which of the following has occurred a transport decreases b competition c saturation d both a and c 11 Beta oxidation of a fatty acid directly produces a acetyl CoA b



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