What is metabolism? What are its types?

Explanation

### Step-by-Step Solution:

1. **Definition of Metabolism**:
- Metabolism is defined as the sum of all biochemical processes that occur within a living organism. It encompasses all the chemical reactions that take place in the body, which are essential for maintaining life.

2. **Types of Metabolism**:
- Metabolism can be categorized into two main types:
- **Anabolic Metabolism**: This type involves processes that build up complex molecules from simpler ones. Anabolic processes require energy and are crucial for growth, repair, and maintenance of tissues. Examples include protein synthesis and the synthesis of nucleic acids.
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