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alexandr402 [8]
2 years ago
15

MULTIPLE CHOICE

Biology
2 answers:
ipn [44]2 years ago
7 0

Answer:

a. and d. is the answer

Explanation:

valentina_108 [34]2 years ago
5 0

Answer:

A

Explanation:

nitrogen bases are a part of DNA, Dna is copied into genes, chromosomes are made of genes, cells are the largest unit out of all of these.

<em>plz mark me brainliest.</em> ;)

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