A DdNTP,used Often in DNA Sequencing,lacks A(n)________ at the ________

Multiple Choice

A ddNTP,used often in DNA sequencing,lacks a(n) ________ at the ________ and ________ carbons.

A) OH; 2′; 3′
B) methyl; 2′; 3′
C) carboxyl; 5′; 3′
D) OH; 2′; 5′
E) None of the above is correct.