Distinguish between homopolysaccharides and heteropolysaccharides.

Explanation

### Step-by-Step Solution:

1. **Definition of Polysaccharides**:
- Polysaccharides are macromolecules that consist of long chains of monosaccharide units (simple sugars). They are formed by the polymerization of monosaccharides.

2. **Monomer Unit**:
- The basic building blocks of polysaccharides are monosaccharides, which are the simplest form of carbohydrates.

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