tutorial2 - Bioc 300 Tutorial 2 July 14th 2009 Topics: -...

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Bioc 300 Tutorial 2 July 14 th 2009 Topics: - Enzyme thermodynamics, michaelis-menten kinetics, enzyme inhibition, chymotrypsin, hemoglobin.
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1. Determination of the precise spacing of atoms within a large protein is possible only through the use of: a) a Ramachandran plot. b) molecular model building. c) x-ray diffraction. d) light microscopy. e) electron microscopy
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2. In competitive inhibition, an inhibitor? a) binds at several different sites on an enzyme. b) binds reversibly at the active site. c) binds only to the ES complex. d) binds covalently to the enzyme. e) lowers the characteristic Vmax of the enzyme.
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3. In a plot of 1/ V against 1/[S] for an enzyme-catalyzed reaction, the presence of a competitive inhibitor will alter the: a) V max . b) intercept on the 1/ V axis. c) intercept on the 1/[S] axis. d) curvature of the plot. e) p K of the plot.
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4. Which of the following statements is true of enzyme catalysts? a) To be effective, they must be present at the
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This note was uploaded on 12/13/2011 for the course BIOLOGY 300 taught by Professor Asdf during the Spring '08 term at The University of British Columbia.

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tutorial2 - Bioc 300 Tutorial 2 July 14th 2009 Topics: -...

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