What are tetrasaccharides ? Give an example.

Explanation

### Step-by-Step Solution:

1. **Definition of Tetrasaccharides**:
Tetrasaccharides are a type of carbohydrate that consists of four monosaccharide units. These monosaccharides can be the same or different and are linked together through glycosidic linkages.

2. **Formation of Tetrasaccharides**:
The four monosaccharide units are joined together by glycosidic bonds, which are formed during a condensation reaction where water is released.

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