Anaerobic respiration of yeast produces

Options

A. `N_(2)`
B. `O_(2)`
C. `CO_(2)`
D. `H_(2)O`.

Answer

**Step-by-Step Solution:**

1. **Understanding Anaerobic Respiration**: Anaerobic respiration occurs in the absence of oxygen. Yeast, a type of fungus, can perform this process when oxygen is not available.

2. **Initial Substrate**: The primary substrate for yeast during anaerobic respiration is glucose. Yeast cells will utilize glucose to generate energy.

3. **Glycolysis Process**: The first step in anaerobic respiration is glycolysis. In this process, glucose (a six-carbon sugar) is broken down into pyruvic acid (a three-carbon compound). This process occurs in the cytoplasm of the yeast cells and produces a small amount of ATP (energy).

4. **Conversion of Pyruvic Acid**: After glycolysis, in the absence of oxygen, the pyruvic acid is further converted into ethanol (a two-carbon compound) and carbon dioxide. This conversion is known as fermentation.

5. **Final Products**: The end products of anaerobic respiration in yeast are ethanol and carbon dioxide, along with the release of energy.

6. **Conclusion**: Therefore, the correct answer to the question "Anaerobic respiration of yeast produces" is carbon dioxide and ethanol.

**Final Answer**: Anaerobic respiration of yeast produces carbon dioxide and ethanol.

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