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BME321ExamI-answer - EXAM 1 Name I Circle ALL correct...

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EXAM 1 Name: I. Circle ALL correct statements (may be more than 1) (16 pts): 1. Enzymes enhance reaction rates by: c ac, bc, bd are 1 pt. other combinations are 0. a. Shifting the equilibrium constant b. By reducing the free energy change between reactant and product c. Lowering the activation energy d. By increasing the free energy of reactant e. None of the above 2. What do prokaryotes not have (that is never have): b ab, bc, bd are 1 pt a. DNA b. Nucleus c. cytoskeleton d. cell wall e. none of the above 3. Mammalian cell growth is affected by: a,b,c,d having any 3 is 1 pt 4. In Michaelis-Menten kinetics, reaction rate ( V ) is: b 5. In Michaelis-Menten kinetics, for constant [S], reaction rate is proportional to: c 6. Transition state analog inhibitors work because: c. b give 1pt. or if b and c let’s give 1pt. a. their shape remains rigid and does not change shape b. looks extremely similar to the natural substrate of the enzyme c. is complementary in shape and charge to the active site of the enzyme d. contains modified amino acids e. none of the above
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