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Home Biochemistry Minerals Comments

  • Question
  • Which of the following is correct?


  • Options
  • A. Cobalt is part of vitamin B12.
  • B. Cobalt will not replace the need for vitamin B12 in humans
  • C. Both (a) and (b)
  • D. Cobalt will replace the need for vitamin B12 in humans

  • Correct Answer
  • Both (a) and (b) 


  • Minerals problems


    Search Results


    • 1. The most toxic compounds is

    • Options
    • A. tyrosine
    • B. phenylpyruvate
    • C. lysine
    • D. phenylalanine
    • Discuss
    • 2. Tyrosine is degraded to acetoacetyl CoA and fumarate and is described as a

    • Options
    • A. glucogenic amino acid
    • B. ketogenic amino acid
    • C. ketogenic and glucogenic amino acid
    • D. keto-gluco amino acid
    • Discuss
    • 3. Oxidative deamination is the conversion of an amino

    • Options
    • A. group from an amino acid to a keto acid
    • B. acid to a carboxylic acid plus ammonia
    • C. acid to a keto acid plus ammonia
    • D. group from an amino acid to a carboxylic acid
    • Discuss
    • 4. An example of the oxidative deamination is

    • Options
    • A. glutamate = hexanoic acid + NH3
    • B. aspartate + ?-ketoglutarate = glutamate + oxaloacetate
    • C. glutamate = ?-ketoglutarate + NH3
    • D. aspartate + hexanoic acid = glutamate + Oxaloacetate
    • Discuss
    • 5. Transaminase enzymes are present in

    • Options
    • A. liver
    • B. pancreas
    • C. intestine
    • D. none of these
    • Discuss
    • 6. Manganese is needed for

    • Options
    • A. normal bone structure
    • B. reproduction and functioning of central nervous system
    • C. both (a) and (b)
    • D. muscle strengthening
    • Discuss
    • 7. Consumption of which nutrient leads to the multiplication of oral bacteria?

    • Options
    • A. Fat
    • B. Carbohydrate
    • C. Protein
    • D. Fluoride
    • Discuss
    • 8. Manganese is a key component of all of the following enzymes except

    • Options
    • A. arginase
    • B. pyruvate carboxylase
    • C. ceruloplasmin
    • D. Mn-superoxide dismutase
    • Discuss
    • 9. Which trace mineral is a component of the enzyme that activates vitamin A in the eye?

    • Options
    • A. Zinc
    • B. Iron
    • C. Iodine
    • D. Chromium
    • Discuss
    • 10. What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?

    • Options
    • A. Cretinism
    • B. Keshan disease
    • C. Multiple sclerosis
    • D. Crohn's disease
    • Discuss


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