What is the electron configuration of an ion needed for DNA Polymerase to work properly?
A. [Ar]4s2
B. [Ne] 3s2
C. [Ne]
D. [Ar]3d10
Answer: The ion that acts as a cofactor and is needed for DNA Polymerase to work is Mg2+. It's electron configuration is [Ne] or choice C.
A represents Ca, B represents Mg atom (notice the question asks for an ion), and D represents Zn2+.
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