Biomolecules - Class 12 Medical Chemistry - Extra Questions

What are the products of hydrolysis of maltose?

The product of hydrolysis of maltose is a-D-glucopyranose.
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Name the only heterocyclic nitrogen base which is present in DNA but not in RNA.

The heterocyclic base which is present in DNA but not in RNA is Thymine.
Heterocyclic means the ring containing more than one atoms.


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Write the properties of sugar.

Sugar an organic compound, sweet in taste and it is highly soluble in water.


Write one difference and one similarity between enzymes and hormones.

Similarity:
Hormones and enzymes act as biocatalyst.

Difference:
Hormones act on glands or organs which are different from their origin organs or glands. These are released into the blood before use. Enzymes are not utilized in the reaction.


B-complex is an often prescribed vitamin. What is complex about it and what is its usefulness ?

It is a group of vitamins which contains vitamins $$ B_1 , B_2 , B_6 , B_{12} $$ , biotin , pantothenic acid, folic acid and nicotinic acid. Since it is not a single vitamin , but a group of vitamins , it is called vitamin B - complex . It is required to release energy from food and to promote healthy skin and muscles. Its deficiency causes beriberi (vit. $$ B_1$$ and pernicious anaemia (vit. $$ B_{12}$$)


Class 12 Medical Chemistry Extra Questions