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Biochemistry Mcqs

Submitted By :Ali Uppal


Normal level of serum phosphorous is_____________?

  • (A)  2.5 – 4.5 mgm%
  • (B)  7-9 mgm%
  • (C)  40-50 mgm%
  • (D)  1-2 mgm%
Submitted By :Ali Uppal


In all the following RNA participates directly except________________?

  • (A)  Post translation modification
  • (B)  Post transcriptional modification
  • (C)  DNA replication
  • (D)  Splicing
Submitted By :Ali Uppal


Which of the following is most important content of diet ?

  • (A)  Protein
  • (B)  Water
  • (C)  Vitamin
  • (D)  Minerals
Submitted By :Ali Uppal


Enzymes increase reaction rates by______________?

  • (A)  Altering the free energy of the action
  • (B)  Inhibiting the backward reaction
  • (C)  Enhancing the forward reaction
  • (D)  Decreasing the energy of activation
Submitted By :Ali Uppal


In molecular cloning, Blue White screening is used for_______________?

  • (A)  To screen for recombinant vectors
  • (B)  To detect gene mutations
  • (C)  To identify desired chromosomal DNA insert in plasmid vectors
  • (D)  To detect host DNA in situ
Submitted By :Ali Uppal


Heme is converted to bilirubin mainly in_____________?

  • (A)  Kidney
  • (B)  Liver
  • (C)  Spleen
  • (D)  Bone marrow
Submitted By :Ali Uppal


The fuel value of fat is____________?

  • (A)  4
  • (B)  7
  • (C)  9
  • (D)  5
Submitted By :Ali Uppal


On complete hydrolysis of DNA we will get all the following except______________?

  • (A)  Deoxy pentose sugar
  • (B)  Phosphoric acid
  • (C)  Adenosine
  • (D)  Purine bases
Submitted By :Ali Uppal


R-RNA is mainly produced mainly in___________?

  • (A)  Nucleus
  • (B)  Nucleolus
  • (C)  Ribosome
  • (D)  Endoplasmic reticulum
Submitted By :Ali Uppal