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Question

The enzyme that converts glucose to ethyl alcohol is


A

Maltase

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B

Zymase

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C

Diastase

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D

Invertase

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Solution

The correct option is B

Zymase


The correct option is B.

Explanation of the correct option:

  1. Zymase basically converts the glucose into the ethyl alcohol through the process of fermentation.
  2. It occurs naturally in yeasts.
  3. Fermentation denotes the energy-yielding pathway which involves the anaerobic breakdown of the molecules (Example- Glucose).

Explanation of the incorrect options:

Option A:

  1. Maltase is also known as malt sugar which is a disaccharide that is formed by the two units of the glucose that are joined with an α -bond.
  2. Maltase just break down maltose into the glucose.

Option C:

  1. Diastase is basically the mixture of amylase enzymes.
  2. It catalyzes the breakdown of the starch into maltose.

Option D:

  1. Invertase is basically an enzyme that is produced by yeast.
  2. Invertase is actually an enzyme that will catalyze the breakdown of sucrose into fructose and glucose.

Final answer: The enzyme that converts glucose to ethyl alcohol is zymase.


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