Name the purines present in DNA.

Explanation

**Step-by-Step Solution:**

1. **Understanding Purines**: Purines are one of the two types of nitrogenous bases found in nucleic acids (the other type being pyrimidines). They are characterized by their double-ring structure.

2. **Identifying Purines in DNA**: In the context of DNA, there are specific purines that are present. The two purines found in DNA are adenine (A) and guanine (G).

3. **Structures of Purines**:
- **Adenine**: It is a purine base that has an amino group at the sixth position of its structure, making it 6-aminopurine.
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