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Biochemistry Mcqs

Urinary protein is detected by______________?

  • (A)  Barfoed test
  • (B)  Hay’s test
  • (C)  Boiling test
  • (D)  Ehrlich’s test
Submitted By :Ali Uppal


Urea is produced by the enzyme_____________?

  • (A)  Urease
  • (B)  Uricase
  • (C)  Arginase
  • (D)  Glutaminase
Submitted By :Ali Uppal


Iron is complexed in haemoglobin to_______________?

  • (A)  Leucine
  • (B)  Histidine
  • (C)  Isoleucine
  • (D)  Valine
Submitted By :Ali Uppal


At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site ?

  • (A)  Sulphydryl group
  • (B)  Carboxy terminal
  • (C)  Amino terminal
  • (D)  Histidine
Submitted By :Ali Uppal


False statement about haemoglobin structure________________?

  • (A)  Hb has 2 polypeptide chains
  • (B)  Iron is present in ferrous state
  • (C)  Hb structurally similar to myoglobin
  • (D)  Ferrous ions are in porphyrin rings
Submitted By :Ali Uppal


The following is not a carrier protein________________?

  • (A)  Cerruloplasmin
  • (B)  Transferrin
  • (C)  Transcobalamine
  • (D)  Haptoglobulin
Submitted By :Ali Uppal


Urea is formed in_____________?

  • (A)  Brain
  • (B)  Kidney
  • (C)  Liver
  • (D)  Intestine
Submitted By :Ali Uppal


Argentaffinoma is characterized by excess excretion of_____________?

  • (A)  5- Hydroxy indole acetate
  • (B)  3- Hydroxy phenyl pyruvate
  • (C)  Phenyl lactate
  • (D)  Phenyl acetate
Submitted By :Ali Uppal


The reducing end of glutathione, the amino acid is_________________?

  • (A)  Glycine
  • (B)  Leucine
  • (C)  Lycie
  • (D)  Valine
Submitted By :Ali Uppal


Precursor of melanin is________________?

  • (A)  Phenylalanine
  • (B)  Tryptophan
  • (C)  Tyrosine
  • (D)  Methionine
Submitted By :Ali Uppal