11BB lecture 10-16-09 enzymes II

11BB lecture 10-16-09 enzymes II - Test 2 on Monday,...

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Unformatted text preview: Test 2 on Monday, 10-19-09, 6-8PM, UTC 2.112A Approximate number of m/c questions per chapter for Test 2 Chapter number of questions 25, 26 ~2 27 ~2 6 ~8 7 ~6 11 ~7 48 ~3 8 ~7 Chapter 8 (pp.156-159) Enzymes (conclusion) Learning objectives: Be able to illustrate competitive and non- competitive inhibitors of an enzyme Describe cooperativity as a type of allosteric activation of an enzyme Explain how enzyme activity is regulated via allosteric configurations and feedback mechanisms alcohol dehydrogenase formaldehyde methanol ethanol alcohol dehydrogenase acetaldehyde Figure 8.19 Inhibition of enzyme activity A noncompetitive inhibitor binds to the enzyme away from the active site , altering the conformation of the enzyme so that its active site no longer functions. Competitive inhibitor (a) Normal binding (b) Competitive inhibition A substrate can bind normally to the active site of an enzyme....
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11BB lecture 10-16-09 enzymes II - Test 2 on Monday,...

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