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IceJOKER [234]
3 years ago
6

What are long strands of DNA made of?

Biology
2 answers:
Maru [420]3 years ago
8 0

DNA strands are made of a double helix combined by hydrogen bonds.

Alexus [3.1K]3 years ago
4 0
Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The sides are sugar and phosphate molecules
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