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Biology, 20.12.2019 04:31 lorry8488

Dna is made of nucleotides which are composed of
a. a protein group, a sugar group and a nitrogenous base.
b. a phosphate group, a starch group and a nitrogenous base.
c. a sugar group, an amino acid group and a nitrogenous base.
d. a phosphate group, a sugar group and a nitrogenous base.

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Dna is made of nucleotides which are composed of
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