Question

5. In nucleic acids the purine nitrogenous base are A. uracil and thymine E. adenine and guanine C. cytosine and guanine D. guanine and thymine​

Answer 1

The correct answer is Adenine, thymine, guanine, cytosine.

Step-by-step explanation:

The four bases in DNA are: adenine, thymine, cytosine, guanine.

In RNA, thymine gets replaced by uracil.

Purine is only a name for the two bases guanine and adenine.