Question

In the commercial manufacture of ethyl alcohol from starchy substances by fermentation method, which enzymes stepwise complete the fermentation reaction

• A. Diastase, maltase and zymase
• B. Maltase, zymase and invertase
• C. Diastase, zymase and lactase
• D. Diastase, invertase and zymase

Answer 1

Answer: (A)

Diastase, maltase and zymase

Answer 2

$\underset { \text { Starch } } { 2 \left( \mathrm { C } _ { 6 } \mathrm { H } _ { 10 } \mathrm { O } _ { 5 } \right) _ { n } } + n \mathrm { H } _ { 2 } \mathrm { O } \underset { \text { (from germinated barley) } } { \text { Diastase } } n \left( \underset { \text { Maltose } } { \left. \mathrm { C } _ { 12 } \mathrm { H } _ { 22 } \mathrm { O } _ { 11 } \right) } \right.$