Acetyl Co-A is formed from ……………….. and coenzyme A.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Formation of Acetyl Co-A:**
Acetyl Co-A is formed through a biochemical process that involves the oxidation of pyruvic acid (pyruvate) in the presence of coenzyme A.

2. **Source of Pyruvic Acid:**
Pyruvic acid is produced during glycolysis, which is the metabolic pathway that breaks down glucose (a sugar) into pyruvate. Glycolysis occurs in the cytoplasm of the cell.

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