Which of the following is not true of the kinetic proofreading reaction of bacterial RNA polymerase?

A. rNTP is the product.
B. It occurs when the enzyme stalls after incorporating a mismatched base.
C. The type of reaction is pyrophosphorolysis.
D. Water is the nucleophile.
E. Pyrophosphate is a reactant.


D

Biology & Microbiology

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