Name the branch of science dealing with the study of structure and function of animal and plant cell.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the branch of science that studies the structure and function of animal and plant cells.

2. **Defining Cells**: Cells are known as the basic structural and functional units of life. All living organisms are made up of cells, which can be unicellular (like amoeba) or multicellular (like humans).

3. **Types of Cells**: Cells can be categorized into two main types:
- **Plant Cells**: Found in plants.
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