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BartSMP [9]
4 years ago
14

Structure of DNA

Biology
1 answer:
Evgen [1.6K]4 years ago
3 0
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
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ummeed hai ki madad kee :)

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