Practice free Biomolecules (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Keratin, a structural protein is present in:
(d) Keratin, a structural protein makes up most of the protective coatings of animals like skin, feather, hair, nails, hoofs, claws, silk and wool.
Blood protein is ?
(c)Albumin and haemoglobin are found in blood.
The destruction of the biological nature and activity of proteins by heat or chemical agent is called:-
(b) After denaturation, soluble proteins become insoluble.The process which brings in the changes in physical and biological activity of proteins.
Kwashiorkor is caused by the deficiency of ?
(d) The deficiency of essential amino acids causes disease like kwashiorkor in which water balance of body is disturbed.
Which is fat soluble vitamin?
(a) Fat soluble vitamins are A,D,E and K.
Which vitamin contains N ?
(c) N is present in all vitamins B, (i.e., B1, B2, B3, B5, B6, B12).
A vitamin which plays a vital role in the coagulating property of blood is:-
(d) Vitamin K deficiency causes excessive bleeding in injury.
Which is not a poison for enzymes?
(b) Rest all are poisons for enzymes.
The non-proteinous substances which certain enzymes require for their activity are called:
(c) A non-protein that plays an essential part in some reactions catalysed by enzymes are called co-enzymes or activators, eg, non-proteinous vitamins.
Which one is the complimentary base of adenine in one stand to that in the other stand of DNA?
(d) Follow replication in nucleic acid.
C bonds with G and A bonds with T. It's called complementary base pairing because each base can only bond with a specific base partner.
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