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Alenkinab [10]
3 years ago
11

Which nitrogenous bases are always paired with each other in the dna double helix?

Biology
1 answer:
sp2606 [1]3 years ago
5 0
A dna double helix consists of a purine base, such as adenine and guanine, paired with its complementary pyrimadine base, such as thymine and cytosine.
Adenine pairs with thymine; A-T
Cytosine pairs with guanine; C-G
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