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b) c) Apoenhl a) Coenzyme 17. ifglucose is radio-labeled with ?? at C3 and C5. w

ID: 217548 • Letter: B

Question

b) c) Apoenhl a) Coenzyme 17. ifglucose is radio-labeled with ?? at C3 and C5. what % ofpyruvate from glycolysis will be radioactive? d)75% e) 100% b) 25% c)50% Figure I for 18 to 19: The shown plot represents an energy diagram vs. a reaction coordinate for an enicyme (E)-catalyzed reaction for the substrate S. G represents the Gibbs free energy. es t E+S ES E+P 18. Which represents the activation energy for an enzyme catalyzed reaction where E and P are reactants, not E and S? a) A b)B c) C d) D e) C minus D 9. Which one is NOT true for the scheme (Figure 1)? a) The forward reaction is exergonic b) The reaction of E and P for the reverse process is exergonic c) The overall forward reaction occurs spontaneously through the action of E. d) There are two intermediates for the forward reaction.

Explanation / Answer

These answers are to the best of my knowledge.

A17) E) 100%

A18) D) C minus D

A19) C) The overall reaction occurs spontaneously through the aaction of E.

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