Question

classify the following nitrogenous bases into purines or pyrimidines. labels drop zones reset all adenine purine (1/2) pyrimidine (2/2) cytosine uracil

Explanation:

Purines have a double - ring structure, while pyrimidines have a single - ring structure. Adenine has a double - ring structure and is a purine. Cytosine and uracil have single - ring structures and are pyrimidines.

Answer:

Adenine: Purine
Cytosine: Pyrimidine
Uracil: Pyrimidine