Question

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

Answer 1

The answers for the 3 blanks are

1. sugars and phosphates groups

2. bases

3 bases of RNA

Step-by-step explanation:

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Answer 2

The backbone of DNA and RNA is composed of sugar and phosphate.

DNA is double stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nitrogenous bases.

Uracil is a nitrogenous base that is only used with RNA.