Question

(i) Which one of the following is a polysaccharide:
Starch, Maltose, Fructose, Glucose
(ii) What is the difference between native protein and denatured protein?
(iii) Write the name of the vitamin responsible for the coagulation of blood.

Answer 1

• (i) Starch is polysaccharide that is polymer of $\alpha -D-glucose$ and $\beta -D-glucose$
  
• Maltose - Disaccharide ( $\alpha -D-glucose+\beta -D-glucose$)
  
• Fructose and glucose are monosaccharides.
• (ii) Native proteins are proteins which are in their folded and/or assembled form and are fully functional
• Denaturated proteins are inactive proteins in which all the biological properties of the proteins are lost.
• (iii) Vitamin-K is responsible for the coagulation of blood, it maintains the clotting factor named prothrombin.