Sawaal
3
Q:

The two purines in DNA are

A) Adenine & Thymine B) Thymine & Uracil
C) Guanine & Uracil D) Adenine & Guanine

Answer:   D) Adenine & Guanine



Explanation:

The purines are bases in the DNA. The two purines in DNA are Adenine and Guanine. These two purines forms hydrogen bonds with their complimentary pyrimidines such as Thymine and Cytosine to keep the two rails of the DNA molecule together.

Subject: Biology
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