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Which of the following statements about yeast and alcoholic fermentation is accurate?

1. The enzyme 'zymase' enables yeast to carry out alcoholic fermentation.
2. Yeast is utilized for producing ethyl alcohol, also known as ethanol.
3. The reaction involves glucose being converted by zymase into ethanol and carbon dioxide.
4. All of the mentioned statements are correct.

Correct answer: All of the mentioned statements are correct.

Solution

All the given statements are correct: yeast uses the enzyme zymase for alcoholic fermentation, which produces ethanol and carbon dioxide as shown in the equation.

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