DNA Contains All of the Following Nitrogen-Containing Bases EXCEPT ____

Question

DNA contains all of the following nitrogen-containing bases EXCEPT ____.  
A) adenine
B) uracil
C) guanine
D) cytosine
E) thymine

Accepted Answer

Uracil is a nitrogen-containing base that is only found in RNA, not DNA. DNA contains adenine, guanine, cytosine, and thymine as its nitrogen-containing bases.