In alcoholic fermentation, .......... is the final acceptor of the electrons stripped from glucose.

Options

A. sulphate
B. pyruvate
C. acetaldehyde
D. oxygen

Explanation

**Step-by-Step Solution:**

1. **Understanding Alcoholic Fermentation**: Alcoholic fermentation is an anaerobic process that occurs in the absence of oxygen. It is a way for cells to generate energy from glucose when oxygen is not available.

2. **Glycolysis**: The process begins with glycolysis, where glucose is broken down into pyruvate. This step is common to both aerobic and anaerobic respiration.

3. **Conversion of Pyruvate**: In alcoholic fermentation, the pyruvate produced from glycolysis is further converted into acetaldehyde. This conversion is facilitated by the enzyme decarboxylase, which removes a carbon dioxide molecule from pyruvate.

4. **Final Electron Acceptor**: Acetaldehyde acts as the final electron acceptor in alcoholic fermentation. It accepts electrons from NADH, converting it back to NAD+. This step is crucial as it allows glycolysis to continue by regenerating NAD+, which is necessary for the process to proceed.

5. **Formation of Ethanol**: After acetaldehyde accepts the electrons, it is then converted into ethanol by the enzyme alcohol dehydrogenase. Ethanol is the final product of alcoholic fermentation.

6. **Conclusion**: Therefore, in alcoholic fermentation, acetaldehyde is the final acceptor of the electrons stripped from glucose.

**Final Answer**: Acetaldehyde is the final acceptor of the electrons stripped from glucose in alcoholic fermentation.

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