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marshall27 [118]
3 years ago
14

What makes up the rails or sides of dna

Biology
2 answers:
andriy [413]3 years ago
7 0
Chromonsomes, and dna
zheka24 [161]3 years ago
7 0
The backbone of the double helix is a repeating pattern of deoxyribase and phosphate groups. These two "rails" are joined by the adenine-thymine and cytosine-guanine base pairs. Chromosomes are two joined strands of DNA, not part of the DNA itself.
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