Which base replaces thymine in RNA?

Answer and explanation

Correct answer: C. Uracil

  1. Step 1: RNA contains uracil in place of thymine. Answer: Uracil. Why not the others: Adenine, Cytosine and Guanine don't fit.

Practise more Genetics and Molecular Biology.

Free questions with an explanation for every one, and full timed MDCAT Pakistan mock tests.