If an Enzyme's Optimal Temperature Is 37°C, Then the Enzyme

Multiple Choice

If an enzyme's optimal temperature is 37°C, then the enzyme ____.

A) has a cofactor
B) is likely to catalyze the reaction at the same rate at 30°C
C) will probably be inactive at a pH below 4.5
D) will completely denature at 38°C
E) activity will drop at temperatures above 37°C and likely be eliminated by 60°C