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Lostsunrise [7]
3 years ago
15

Name for large bases containing two carbon-nitrogen rings

Biology
1 answer:
bazaltina [42]3 years ago
7 0
Purine and pyrimidine
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The best and most correct answer among the choices provided by the question is the third choice "all near the same age"

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I hope my answer has come to your help. God bless and have a nice day ahead!
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