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Is base 1 a purine or a pyrimidine, and how can you tell? Pyrimidine, because it has one ring structure. Purine, because it has one ring structure. Purine, because it has two ring structures. Pyrimidine,
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Is base 1 a purine or a pyrimidine, and how can you tell?

Pyrimidine, because it has one ring structure.
Purine, because it has one ring structure.
Purine, because it has two ring structures.
Pyrimidine, because it has two ring structures.

User Miniml
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Answer: Each DNA strand has a 'backbone' that is made up of a sugar-phosphate chain. Attached to each one of these sugars is a nitrogenous base that is composed of carbon and nitrogen rings. The number of rings this base has determines whether the base is a purine two rings or a pyrimidine one ring

Explanation: it really simple

User Slot
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