Nucleoside is basic/acidic in reaction.

Explanation

To determine whether a nucleoside is basic or acidic in reaction, we need to analyze its structure and components.

### Step-by-Step Solution:

1. **Understanding Nucleosides**:
- A nucleoside is composed of two main components: a nitrogenous base (which can be adenine, guanine, cytosine, thymine, or uracil) and a sugar molecule (either ribose or deoxyribose).

2. **Absence of Phosphate Group**:
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