Which one is the most abundant protein in the animal world?
(a) Trypsin (b) Haemoglobin
(c) Collagen (d) Insulin
Which one out of A-D given below correctly represents the structural formula of the basic amino acid?
Which one of the following structural formulae of two organic compounds is correctly identified with its related function?
(a) A - triglyceride major - a source of energy
(b) A - Lecithin - a component of cell membrane
(c) B - Adenine - forms nucleotides of the nucleic acids
(d) Both b and c
Which one of the following pairs is wrongly matched?
(a) Detergents - Lipase
(b) Alcohol - Nitrogenase
(c) Fruit juice - Pectinase
(d) Textile - Amylase
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?
(a) Thymine, Uracil - Pyrimidines
(b) Uracil, Cytosine - Pyrimidines
(c) Guanine, Adenine - Purines
(d) Adenine, Thymine - Purines
A competive inhibitor of succinic dehydrogenase is
(a) malonate (b) oxaloacetate
(c) -ketoglutarate (d) malate
An organic substance bound to an enzyme and essential for its activity is called:
(a) coenzyme (b) holoenzyme
(c) apoenzyme (d) isoenzyme
The enzyme amylase belongs to the class
(a) hydrolase (b) isomerase
(c) transferase (d) lyases
Which of the following is an essential amino acid?
(a) Cystine (b) Glycine
(c) Phenylalanine (d) Serine
NAD, NADH and NADP are
(a) not a participant in any catalytic reaction
(b) participants as cofactors in non-catalytic reaction
(c) participants as cofactor in enzyme catalysed reactions
(d) participants as cofactor in both non-catalytic and enzyme catalysed reactions.