List three components of a nucleotide .

Explanation

To answer the question about the three components of a nucleotide, we can break it down into clear steps:

### Step-by-Step Solution:

1. **Understanding Nucleotide Structure**: A nucleotide is a fundamental building block of nucleic acids (DNA and RNA). It consists of three main components.

2. **Identifying the Components**:
- **Pentose Sugar**: This can either be ribose (found in RNA) or deoxyribose (found in DNA).
...