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Which nucleotides have a double ring structure?

1) uracil and thymine
2) cytosine and guanine
3) adenine and guanine
4) adenine and thymine

User Shu Wu
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1 Answer

3 votes

Final answer:

Adenine and guanine nucleotides have a double ring structure and are classified as purines, while cytosine, thymine, and uracil nucleotides have a single ring structure and are classified as pyrimidines.

Step-by-step explanation:

The nucleotides adenine and guanine have a double ring structure and are classified as purines, while the nucleotides cytosine, thymine, and uracil have a single ring structure and are classified as pyrimidines.

User Kishore Reddy
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