The nitrogen-containing bases in nucleotide are of two types; Purines and Pyrimidines. The purines bases are:
Correct answer: C. Adenine and Guanine
- A. Adenine, Guanine, and Cytosine
- B. Guanine and Cytosine
- C. Adenine and Guanine
- D. Adenine and Thymine
Explanation
Purine bases are adenine and guanine, while pyrimidine bases are thymine, cytosine, and uracil. Option C is the only option that mentions only purine bases, while the others mention a combination of purine and pyrimidine bases.
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