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During cellulose fermentatin by anaerobi...

During cellulose fermentatin by anaerobic bacteria in rumen and reticulum, cellulose is majority converted into

A

`CO_(2)`

B

Ethyl alcohol

C

Lactic acid

D

Volatile fatty acids

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Process**: Cellulose fermentation occurs in the rumen and reticulum of ruminant animals, where anaerobic bacteria play a crucial role. These bacteria break down cellulose, a complex carbohydrate found in plant cell walls. 2. **Anaerobic Respiration**: Anaerobic bacteria perform anaerobic respiration, which means they do not require oxygen to metabolize substances. Instead, they convert organic materials through fermentation processes. 3. **Fermentation Products**: The fermentation of cellulose by these anaerobic bacteria results in various end products. The primary products of cellulose fermentation include volatile fatty acids (VFAs), carbon dioxide (CO2), and sometimes small amounts of other compounds like lactic acid and ethyl alcohol. 4. **Identifying the Main Product**: Among the options given (CO2, ethyl alcohol, lactic acid, volatile fatty acid), the main product formed during cellulose fermentation in the rumen is volatile fatty acids. These VFAs are crucial for the energy metabolism of ruminants. 5. **Conclusion**: Therefore, during cellulose fermentation by anaerobic bacteria in the rumen and reticulum, cellulose is primarily converted into volatile fatty acids. **Final Answer**: The cellulose is majority converted into volatile fatty acids. ---
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