1.

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

Answer»

Diastase, MALTASE , and zymase
Maltase, zymase and invertase
Diastase, zymase and lactase
Diastase , invertase and zymase

Solution :`2underset("STARCH")((C_(6)H_(10)O_(5))_(n))+nH_(2)O underset("(from GERMINATED barley)")overset("Diastase")to underset("Maltose")((C_(12)H_(22)O_(11)))`
`C_(12)H_(22)O_(11)+ H_(2)O underset("(from yeast)")overset("Maltase")to 2 underset("Glucose")(C_(6)H_(12)O_(6))`
`C_(6)H_(12)O_(6)underset("(from yeast)")overset("Zymase")to 2C_(2)H_(5)OH + 2CO_(2)`


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