In the commercial manufacture of ethyl alcoho | vedclass

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Question

(A) The commercial production of ethyl alcohol from starch involves three main enzymatic steps:$1$. Starch is converted to maltose by the enzyme $Dias

Vedclass · Accepted Answer

Diastase,maltase and zymase

Vedclass · Answer

(A) The commercial production of ethyl alcohol from starch involves three main enzymatic steps:$1$. Starch is converted to maltose by the enzyme $Diastase$ (found in germinated barley):$2(C_6H_{10}O_5)_n + nH_2O \xrightarrow{Diastase} nC_{12}H_{22}O_{11}$$2$. Maltose is converted to glucose by the enzyme $Maltase$ (found in yeast):$C_{12}H_{22}O_{11} + H_2O \xrightarrow{Maltase} 2C_6H_{12}O_6$$3$. Glucose is converted to ethyl alcohol by the enzyme $Zymase$ (found in yeast):$C_6H_{12}O_6 \xrightarrow{Zymase} 2C_2H_5OH + 2CO_2$Therefore,the correct sequence of enzymes is $Diastase$,$Maltase$,and $Zymase$.

Item $I$	Item $II$
$A$. Allosteric effect	$P$. Molecule binding to the active site of enzyme
$B$. Competitive inhibitor	$Q$. Molecule crucial for communication in the body
$C$. Receptor	$R$. Molecule binding to a site other than the active site of enzyme
$D$. Poison	$S$. Molecule binding to the enzyme covalently

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

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