BiochemHelp!! may have more than one answer 2a) Consider an enzyme catalyzed rea
ID: 281357 • Letter: B
Question
BiochemHelp!! may have more than one answer
2a) Consider an enzyme catalyzed reaction with principle substrate concentration held constant increasing the concentration of which of the following would decrease the rate of the reaction?
1. Cofactor
2. negative allosteric effector
3. Vmax
4. decrease[Et]
2b). Which of the following decreased if the concentration of a cofactor for an enzyme reaction is decreased?
a. rate the cofactor product is recycled
b. rate of principle substrate
c. principle substrate concentration
d. the Km
e. the rate of the reaction
f. the Vmac
Explanation / Answer
Ans.2a) - 2 and 4 are correct
Increasing the concentration of negative allosteric effector and decreasing [Et] would decrease the rate of the reaction.
Ans.2b) - d, e and f are correct
If the concentration of a cofactor for an enzyme reaction is decreased then Km , rate of reaction and Vmax would decrease.
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