A DdNTP, Used Often in DNA Sequencing, Lacks A(n) Carbons

Multiple Choice

A ddNTP, used often in DNA sequencing, lacks a(n) carbons.

A) OH; 2'; 3'
B) carboxyl; 5'; 3'
C) methyl; 2'; 3'
D) OH; 2'; 5'
E) None of the listed answers is correct.