Which of the molecule listed below is a product of fermentation of glucose by yeast?

Options

A. `(C_(6)H_(10)O_(5))_(n)`
B. `C_(2)H_(5)OH`
C. `C_(6)H_(12)O_(6)`
D. `CH_(3)OH`

Explanation

To determine which molecule is a product of the fermentation of glucose by yeast, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Process of Fermentation**:
- Fermentation is a metabolic process that converts sugars (like glucose) into acids, gases, or alcohol in the absence of oxygen. Yeast is a common organism used in this process.

2. **Identify the Starting Material**:
- The starting material in this case is glucose, which has the chemical formula C6H12O6.

3. **Know the Products of Yeast Fermentation**:
- When yeast ferments glucose, it primarily produces ethanol (alcohol) and carbon dioxide. The general equation for this process is:
\[ C6H12O6 \rightarrow 2 C2H5OH + 2 CO2 \]
- Here, C2H5OH represents ethanol, and CO2 represents carbon dioxide.

4. **Recognize Common Products**:
- The main products of fermentation by yeast are ethanol and carbon dioxide. Ethanol is commonly known as alcohol and is a key component in beverages like beer and wine.

5. **Select the Correct Answer**:
- Based on the fermentation process, the correct answer to the question is ethanol (C2H5OH).

### Final Answer:
The product of fermentation of glucose by yeast is **Ethanol (C2H5OH)**.

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