1.

Whatare thebiological importanceof proteins ?

Answer»

Solution :Protein are the funtical unitsof living things playrole in all biogicalproceeses .
(i)All biochemicalreactions occursin the livingsystems arecatalysedby thecatalyticproteinscalledenzymes .
(ii) Proteins such as keratin, COLLAGEN actsas structural back bones.
(iii) Proteinsare usedfor transporting MOLECULES (Haemoglobin),ORGANELLES (Kinesins ) in THECELL andcontrol the movement of moleculesin and outof thecells (Transporters).
(iv) Antibodieshelp the body tofightvariousdiseases.
(v) Proteins areused as MESSENGERS to coordinatemanyfunctions. Insulin &glucagon controls the glucose level in the blood.
(vi)Protein act as receptors thatdetect presence ofcertain signalmoleculesandactivatetheproper response.
(vii) Proteins arealso used to store metals suchas iron (Ferritin) etc.


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