Respiration is

Options

A. anabolic and exergonic
B. catabolic and exergonic
C. anabolic and exergonic
D. catabolic and endergonic

Answer

**Step-by-Step Solution:**

1. **Understanding Respiration**: Respiration is a biochemical process that occurs in living organisms. It involves the breakdown of organic molecules to release energy.

2. **Types of Metabolic Processes**: Metabolism is divided into two main categories:
- **Anabolism**: This is the process of building larger molecules from smaller ones, which requires energy (endergonic).
- **Catabolism**: This is the process of breaking down larger molecules into smaller ones, which releases energy (exergonic).

3. **Identifying Respiration's Nature**: Respiration primarily involves the breakdown of glucose and other organic compounds to produce energy. This process is classified as catabolic because it breaks down molecules.

4. **Energy Release in Respiration**: During respiration, energy is released in the form of ATP (adenosine triphosphate), which is used for various cellular activities. Since energy is released, respiration is also considered exergonic.

5. **Conclusion**: Based on the definitions and processes involved, respiration is best described as a catabolic and exergonic process. Therefore, the correct answer is that respiration is "Catabolic and Exergonic".

**Final Answer**: Respiration is Catabolic and Exergonic.

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