In fermentaion, yeast secrets one of the following of enzymes

Options

A. Invertase
B. Zymase
C. Dehydrogenase
D. Anolase

Answer

B

Explanation

In yeast fermentation, the enzymatic reactions are as follows.
(1) `C_(12)H_(22)O_(11)+H_(2)O underset("in yeast")overset("Invertase")rarrunderset("Glucose")C_(6)H_(12)O_(6)+underset("Fruclose")C_(6)H_(12)O_(6)`
(2) `C_(6)H_(12)O_(6)underset("Yeast")overset("Zymase")rarr2C_(2)H_(5)OH+2CO_(2)+21` kcal energy.