One Function of the Two Metal Cations That Are Required

question 33

Multiple Choice

One function of the two metal cations that are required by DNA polymerases is

• A) to stabilize the negative charge of the transition state.
• B) to bind ATP.
• C) to complex with a Tyr residue in the active site.
• D) to cleave improperly matched bases
• E) None of the answers is correct.

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