Define photolysis.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Term**: Photolysis is derived from two Greek words: "photo," meaning light, and "lysis," meaning to break down or dissolve.

2. **Definition**: Photolysis is the process in which larger molecules are broken down into smaller units through the absorption of light energy.

3. **Context in Biology**: This process is particularly important in photosynthesis, which occurs in plants. During photosynthesis, light energy is absorbed by chlorophyll, a pigment found in the chloroplasts of plant cells.

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