1.

List the importance of proteins in biologicalprocesses.

Answer»

SOLUTION :Importance of proteins :
Proteins are the functional units of living things : play vital role in all biological processes
(i) All biochemical reactions occur in theliving systems are catalysed by the catalytic proteins called enzymes.
(ii) Proteins such as keratin, collagen acts as STRUCTURAL BACK bones.
(iii) Proteins are used for transporting. molecules (Haemoglobin), organelles (Kinesins) in the CELL andcontrol the movement of molecules in and out of the cells (Transporters).
(iv) Antibodies help the body to fight VARIOUS diseases
(v) Proteins are used as messengers to coordinate many functions. Insulin & glucagon controls the glucose level in the blood.
(vi) Proteins act as receptors that detect presence of certain signal molecules and activate the proper response.
( vii) Proteins are also used to store metals such as iron (Ferritin) etc


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