Name the purine bases and pyrimidine bases present in RNA and DNA.

Explanation

To answer the question about the purine and pyrimidine bases present in RNA and DNA, we can break down the information as follows:

### Step-by-Step Solution:

1. **Identify the Nucleic Acids**:
- RNA (Ribonucleic Acid)
- DNA (Deoxyribonucleic Acid)

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