Thiamine (B1) deficiency resuits in.
(1) Wernickes’ syndromes
(2) Korsakoffs’ syndromes
(3) osteonecrosis
(4) tunnel vission
FAD is a coenzyme derived from
(1) riboflavin
(2) vitamin-B12
(3) thiamine
(4) niacin
Proteins are
(1) homopolymer
(2)heteropolymer
(3)homogenous mixture of amino acids
(4)heterogenous mixture of amino acids
Amino acid is a:
(1) Substituted methane
(2) Substituted ethane
(3) Any acid having amino group
(4) Derivative of indol acetic acid
A.
B.
C.
Which of the above is Zwitterionic form?
(1) B
(2) C
(3) A
(4) All are correct
The quaternary structure of a protein:
(1) Consists of 4 subunits - hence the name quaternary
(2) Is unrelated to the function of the protein
(3) Both (a) and (b)
(4) Depends on the 1° structure of subunits
Adult human haemoglobin consists of:
(1) 2 subunits (β, β)
(2) 2 subunits (α, α)
(3) 4 subunits (2α, 2β)
(4) 3 subunits (2α, 1β)
Lecithin is:
(1) Phospholipid
(2) Carbohydrate
(3) Protein
(4) Amino acid
The above diagram represent the nitrogenous bases. Identify the correct combination:
(1) A = Adenine; B = Thymine
(2) A = Guanine; B = Thymine
(3) A = Adenine; B = Uracil
(4) A = Guanine; B = Uracil
Which one of the following is the diagrammatic representation of a nucleotide?
(a) (b) (c) (d)