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  3. Chemistry
  4. The conversion of maltose to glucose is possible by the enzyme :

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Q. The conversion of maltose to glucose is possible by the enzyme :

AFMCAFMC 2005

Solution:

Maltose also known as malt sugar is a reducing sugar and gives two molecules of $\alpha$-D-glucose upon hydrolysis. In it two glucose molecules are joined by $\alpha$-glycosidic linkage between $C _{1}$ of the first unit and $C _{4}$ of the second unit
$\text{maltose} \xrightarrow{\text{maltase}} \alpha -D-$ giucose $\alpha-D-$ glucose
whereas :
$\underset{\text{Glucose}}{C _{6} H _{12} O _{6}}+\xrightarrow[\text{(from yeast)}]{\text { zymase }} 2 C _{2} H _{5} OH +2 CO _{2}$
lactose is found in milk of mammals
lactose $\xrightarrow{\text { lactase }}$ D-glucose $+$ D-galactose
Diastase is used to digest starch