Which enzyme of yeast cells catalyzes the fermentation of sugar ?
A
Zymase
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B
Invertase
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C
Cellulose
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D
All of the above
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Solution
The correct option is A Zymase Zymase is an enzyme complex that catalyzes the fermentation of sugar into ethanol and carbon dioxide. It occurs naturally in yeasts. Zymase activity varies among yeast strains.