Difine electrophoresis.

Explanation

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

1. **Definition of Electrophoresis:**
Electrophoresis is defined as the movement of colloidal particles under the influence of an electric field.

2. **Mechanism of Electrophoresis:**
In an electrophoresis setup, colloidal particles, which can be negatively or positively charged, are placed in a medium. When an electric field is applied, these charged particles migrate towards the electrode of opposite charge.

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