Question

Which nucleotide base pairing would occur between molecules of DNA and RNA?

O G-T
O A-G
OT-U
OU-A

Answer 1

A-U

Step-by-step explanation:

There is no thyamine in rna so we can cancel that out. Adenine pairs with thyamine and Cytosine pairs with Guanine. In RNA though Adenine pairs with Uracil, which is like the replacement for Thyamine.