Question

Select and appropriate chemical bond among estes bond , hydrogen bond.

(a)Between two nitrogenous bases in a DNA.​

Answer 1

Answer:

Adenine forms two hydrogen bonds with thymine in DNA and two hydrogen bonds with uracil in RNA, while three hydrogen bonds are formed between guanine and cytosine. Pyrimidines include thymine, cytosine, and uracil. They have a single ring structure. Purines include adenine and guanine.