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Nana76 [90]
3 years ago
6

In a dna double helix an adenine of one strand always pairs with a(n _____ of the complementary strand, and a guanine of one str

and always pairs with a(n _____ of the complementary strand.
Biology
1 answer:
user100 [1]3 years ago
3 0
Thymine
Cytosine

hope this helps
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