Uracil is always paired with adenine in double standed dna

Question

I dont know the answer to this and i need it for biology. I dont know what pairs up with adenine.

Answer 1

In DNA uracil is NOT present and the pairs are adenine with thymine and cytosine with guanine.

In RNA, you have uracil replacing thymine and the pairs are adenine with uracil and cytosine with guanine

SUMMARY

DNA   RNA

A-T    A-U

C-G   G-C