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Quiz Chapter 8 - 4 Enzymes speed up metabolic reactions by...

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Lecture 6. Chapter 8. An Introduction to Metabolism 1. Glucose is converted to pyruvate. This process is _______. a) anabolic b) catabolic c) hyperbolic d) catatonic e) A and B. 2. A spontaneous reaction is _________. a) anabolic b) catabolic c) exergonic d) endergonic e) Δ G = 0 3. When ATP hydrolysis ( Δ G < 0) is used to drive a reaction that has Δ G > 0, this is called _____. a) dephosphorylation of glutamic acid b) mechanical work c) net exergonic reaaction d) coupled reaction e) uncoupled reaction
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Unformatted text preview: 4. Enzymes speed up metabolic reactions by _________. a) changing the Δ G from negative to positive b) changing the Δ G from positive to negative c) lowering the activation energy d) raising the activation energy e) none of the above 5. An inhibitor that blocks the substrate by binding to a secondary site (not the active site ) on an enzyme is called a _________ inhibitor. a) allosteric inhibitor b) competitive inhibitor c) noncompetitive inhibitor d) A and B e) A and C...
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