Expand EMP and PGAL.

Explanation

### Step-by-Step Solution:

1. **Identify the Acronyms**: The question asks to expand the acronyms EMP and PGAL.

2. **Expand EMP**:
- **Full Form**: EMP stands for "Embden-Meyerhof-Parnas Pathway".
- **Explanation**: This pathway is commonly known as the glycolysis pathway, which is a crucial metabolic process for sugar degradation.

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