Which of the Following is Not a Nitrogenous Base Found

Question

Which of the following is not a nitrogenous base found in DNA?
A) Cytosine
B) Adenine
C) Guanine
D) Uracil
E) Thymine

Accepted Answer

Uracil is not a nitrogenous base found in DNA. It is a pyrimidine base that is only found in RNA, where it replaces thymine. DNA contains only four nitrogenous bases - adenine, thymine, cytosine, and guanine.