Question

Diastase enzyme converts ___________to________________.
A. Glucose to ethyl alcohol
B. Starch to maltose
C. Maltose to glucose
D. Sucrose to glucose

Answer 1

Hint: Enzymes are proteins which perform the role of biological catalysts in the body, the enzymes which are crucial for communicating throughout the body are called as receptors. Carrier proteins carry polar molecules across the cell membrane.

Step by step answer: In the question we are given a diastase enzyme. So let us understand about it. It is a yellowish white coloured enzyme.it is a digestant. When starch is hydrolyzed by the enzyme diastase, one product is a disaccharide known as maltose. Maltose is reducing sugar, that is it gives positive tests with tollen’s or benedict’s solution.
It is found in saliva and malt as well. It transforms starch into maltose and further it changes the maltose formed into glucose. Since starch cannot be digested easily by people with weak pancreas or having pancreatic diseases therefore it is quite helpful in conversion of starch to glucose. It can be found out in barley and plants, saliva and milk as well.
The first function of an enzyme is to hold the substrate for a chemical reaction. Active sites of enzymes hold the substrate molecule in a suitable position. The second function of an enzyme is to provide functional groups that will attack the substrate and carry out chemical reactions. Diastase enzyme thus converts starch to maltose.

Hence the correct option is option B.

Note: Sometimes enzymes are inhibited by inhibitors, if the inhibitors form a strong bond then the enzyme degrades and the body synthesizes a new enzyme. As the body inherently synthesizes the new enzyme leading to more proper functioning of the system.