BIO CHEMISTRY

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BIO CHEMISTRY
  • Following is non-essential amino acid ?

    A. Tryptophan
    B. Threonine
    C. Phenylalanine
    D. Proline

  • Process of transfer of information from the RNA to the proteins is called ?

    A. Transcription
    B. Conjugation
    C. Mutation
    D. Translation

  • Following are the essential amino acid ?

    A. Phenylalanine, Valine, Glycine
    B. Histidine, Glutamine, Valine
    C.  Phenylalanine, Tryptophan lysine
    D. Phenylalanine, Arginine Methinonine

  • Vitamin B12 is ?

    A. A fat soluble vitamin
    B. Extrinsic factor of castle
    C.  Intrinsic factor of castle
    D. Cyano cobalamine

  • Thiamine deficiency can be diagnosed by measuring ?

    A. Transketolase activity in RBC
    B.  Plasma pyruvate and lactic acid levels
    C.  Thiamine levels in blood
    D. Alkaline phosphatase levels in blood

  • Both Vitamin K and C are involved in ?

    A.  Antioxidant mechanisms
    B. The microsomal hydroxylation reactions
    C. Post translational modifications
    D. The synthesis of clotting factors

  • All of the following are true about manifestations of vitamin E deficiency except ?

    A. Cerebellar ataxia
    B. Autonomic dysfunctions
    C. Hemolytic anemia
    D. Posterior column abnormalities

  • Biotin is required for the activity of ?

    A. Succinate thiokinase
    B. Phosphohexose isomerase
    C. Lactate dehydrogenase
    D. Pyruvate carboxylase

  • Aniacinosis results in ?

    A. Nyctalopia
    B. Pellagra
    C. Perleche
    D. Beri beri

  • Who is known for his work on scurvy?

    A. . John snow
    B. Edward Jenner
    C.  James lind
    D. Fracastorius