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MAVERICK [17]
4 years ago
10

I need help for 2 and 3

Biology
1 answer:
Anestetic [448]4 years ago
8 0

Answer:

The sides of the ladder are made of alternating sugar and phosphate molecules. The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases. Two of the bases are purines- adenine and guanine.

Deoxyribonucleic acid

Explanation:

PLEASE VOTE 5.0 MARK ME BRAINLIEST AND THANK ME

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