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liberstina [14]
2 years ago
12

Which nitrogen bases are complementary to each other

Biology
1 answer:
storchak [24]2 years ago
7 0

Answer:

Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.

Hope this helps! Sorry no one answered your question sooner :(

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<u><em>Naturally acquired active immunity:</em></u>  It happens when someone is exposed to a live disease and gets the disease. The person then becomes immune as a result of the first immune response.

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