Answer to Question #162272 in Biology for Anas

Question

When comparing DNA and RNA ... WHICH ONE IS CORRECT?

RNA does not contain a phosphate group

RNA is a double helix where DNA is a single helix

RNA does not exist in the nucleus

Uracil replaces Thymine in RNA

Answer 1

Uracil replaces Thymine in RNA.

In RNA, adenine forms a hydrogen bond with uracil, while in DNA, uracil is replaced by thymine that interacts with adenine.