Select the correct answer from each drop-down menu.

The backbone of DNA and RNA is composed of _______________ groups. DNA is double stranded due to interactions between adenine, cytosine, guanine, and thymine, which are ______. Uracil is a ____________.

Answers:
1. sugar and phosphate groups
2. bases
3. base found in RNA

Select the correct answer from each dropdown menu The backbone of DNA and RNA is composed of groups DNA is double stranded due to interactions between adenine c class=