Question

A ddNTP, used often in DNA sequencing, lacks a(n) ________ at the ________ and ________ carbons.
A) OH; 2-²; 3-²
B) methyl; 2-²; 3-²
C) carboxyl; 5-²; 3-²
D) OH; 2-²; 5-²
E) None of the above is correct.

Answer

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