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SampleExam2(2) - Name BC 367 Exam 2 Part I Multiple...

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Name _____________________________________ BC 367, Exam 2 November 13, 2008 Part I. Multiple Choice (3 pts each)- Please circle the single best answer. 1. The enzyme pyruvate dehydrogenase catalyzes the following reaction. What kind of enzyme is pyruvate dehydrogenase? a) lyase b) oxidoreductase c) isomerase d) hydrolase e) transferase 2. Which of the following amino acid residues is most likely to be involved in binding pyruvate to the enzyme pyruvate dehydrogenase? 3. Which of the following statements is true of enzyme catalysts? 4. Which of the following is true of hemoglobin but not myoglobin?
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2 5. Types of physiological regulation of enzyme activity include all of the following EXCEPT: a) phosphorylation b) allosteric activation c) increased synthesis d) suicide inhibition e) competitive inhibition 6. Lysozyme mutants that contain positively charged, rather than nonpolar, residues near Glu-35 would have a pH optimum: 7. A common feature of serine proteases is:
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