Which of the following are nitrogenous bases of the pyrimidine type?
A) guanine and adenine
B) cytosine and uracil
C) thymine and guanine
D) ribose and deoxyribose
E) adenine and thymine

Question

Quizplus · Accepted Answer

Pyrimidine type nitrogenous bases include cytosine and uracil. Option A, C, and E include nitrogenous bases of the purine type (Guanine and Adenine) or both purine and pyrimidine type (Thymine and Guanine). Option D refers to types of sugars present in nucleotides, not nitrogenous bases.

Which of the Following Are Nitrogenous Bases of the Pyrimidine