EXAM 3W SPRING 2018 An enzyme with a cofactor is called d) Holoenzyme b) Cosubst
ID: 1034254 • Letter: E
Question
EXAM 3W SPRING 2018 An enzyme with a cofactor is called d) Holoenzyme b) Cosubstrate e) Apoenayse a) Coenayme 17. lfgI cose is radiolabe led with "C at C3 and C5. what % ofpyruvate from glycolysis will be radioactive? a)0% d) 75% e)100% b) 25% c)50% to 19: The sbown plot represents an energy diagram vs, a reaction coordinate for an enayme (E-catalyzed reaction for the substrate S. G represents the Gibbs free energy ESt 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 minas D 19. 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
16:- option a i.e coenzyme.
Coenzyme :-are mostly derived from proteins and some other essential nutrients.
Coenzyme that are tightly covalent bound network are called prosthetic group.
Apoenzyme:- inactive enzyme without cofactor.
Holoenzyme:- complete enzyme with cofactor.
Cosubstrate:-they are transiently bounded to proteins and then release at some point and get back.
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