Question

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Answer 1

Option C or D is right

Answer:

• A is Amylase
• B is Lactase
• C is Maltase
• D is Invertase.

EXPLANATION:

AMYLASE:

• Starch is a poly saccharides made up of many units of monomer.

• Amylase converts polysaccharide into disaccharide.

• The conversion of starch into maltose is favoured by the enzyme amylase.

LACTASE:

• Lactose is a disaccharide usually present in milk.

• The enzyme lactase induces the conversion of milk sugar, lactose into glucose and galactose.

MALTASE:

• It converts maltose into glucose.

• The hydrolysis of single mole of maltose gives two moles of glucose.

INVERTASE:

• Sucrose is also called invert sugar, since the hydrolysis of sucrose gives glucose and fructose which are opposite in their sign of rotation.

• The enzyme invertase is responsible for the conversion of invert sugar, sucrose into glucose and fructose.

NOTE:

• In humans, the enzyme amylase is secreted in buccal cavity of mouth.

• Maltase, invertase and lactase are the intestinal enzymes.