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Xelga [282]
3 years ago
5

What are the sides of the DNA ladder made of?

Biology
2 answers:
Oxana [17]3 years ago
7 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.

Explanation:

can you mark me brainliest

crimeas [40]3 years ago
4 0

Answer:

Explanation:

The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules that together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.

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