The three components of a nucleotide are ...................

Explanation

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

### Step-by-Step Solution:

1. **Identify the Components**: A nucleotide is composed of three main components. These are:
- **Nitrogenous Base**: This can be either a purine (adenine or guanine) or a pyrimidine (cytosine, thymine, or uracil).
- **Sugar**: The sugar in a nucleotide can be ribose (found in RNA) or deoxyribose (found in DNA).
- **Phosphate Group**: This can exist in different forms such as monophosphate, diphosphate, or triphosphate.
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