Tell what is used and what is produced in glycolysis?

Explanation

### Step-by-Step Solution for Glycolysis

1. **Definition of Glycolysis**: Glycolysis is the first step in cellular respiration, occurring in the cytosol of the cell. It involves the breakdown of glucose to extract energy.

2. **Starting Material**: The primary substrate used in glycolysis is glucose, a six-carbon sugar.

3. **Conversion Process**:
- Glucose is converted into glucose-6-phosphate through the addition of a phosphate group, which requires the consumption of 1 ATP (ATP is converted to ADP).
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