(a) What is the difference between native protein and denatured protein ?
(b) Which one of the following is a disaccharide : Glucose, Lactose, Amylose, Fructose
(c) Write the name of the vitamin responsible for the coagulation of blood.
(a) Proteins found in a biological system with unique 3D structure and biological activity is called native proteins. They exist in primary, secondary and tertiary structures.
When native protein is subjected to physical and chemical changes, protein loses its biological activities, it is caled denatured protein. Secondary and tertiary structures are destroyed during denaturation.
(b) Lactose is a disaccharide.
(c) Vitamin K is responsible for coagulation.