What Is the Nucleophile in the DNA Polymerase Mechanism?
A) $\gamma$

What is the nucleophile in the DNA polymerase mechanism?

A) an oxygen anion on the $\gamma$ -phosphate of the dNTP
B) the oxygen on the $\beta$ -phosphate of the dNTP
C) the oxygen on the $\alpha$ -phosphate of the dNTP
D) the 5 hydroxyl on the deoxyribose
E) the 3 11ee7c72_7964_3476_ae82_235acaf16f38_TBW1044_11 hydroxyl on the deoxyribose