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Alja [10]
3 years ago
10

Which beaker shows hot water? A or B?

Biology
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer:

A

Explanation:

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The two DNA strands are held together by hydrogen bonding between the bases on the different strands; therefore, all the bases are on the <u>inside of the double helix</u>, and the sugar-phosphate backbones are on the <u>outside.</u>

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