How many carbon atoms are present in a pentose sugar?

Explanation

To determine how many carbon atoms are present in a pentose sugar, we can follow these steps:

**Step 1: Define Pentose Sugar**
- A pentose sugar is a type of monosaccharide that contains five carbon atoms in its structure.

**Step 2: Identify Examples of Pentose Sugars**
- Common examples of pentose sugars include ribose and 2-deoxyribose.

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