Describe how nucleotides and hydrogen bonds affect the structure of dna?

DNA is made up of a linked group of nucleotides and the hydrogen bonds, located between adenosine and thymine base pairs, are supposed to keep this structure stable.

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.

Bruh i don’t know the answer tbh but you can google it