logo

CuriousTab

CuriousTab

Discussion


Home Biochemistry Vitamins and Coenzymes Comments

  • Question
  • Vitamin-D deficiency can cause


  • Options
  • A. rickets
  • B. pernicious anemia
  • C. cataract
  • D. beri-beri

  • Correct Answer
  • rickets 


  • Vitamins and Coenzymes problems


    Search Results


    • 1. E.coli ACP has its molecular weight as around

    • Options
    • A. 9000
    • B. 19000
    • C. 39000
    • D. 90,000
    • Discuss
    • 2. Acyl carrier protein (ACP) plays an important role in the biosynthesis of

    • Options
    • A. fatty acids
    • B. amino acids
    • C. sugars
    • D. carbohydrates
    • Discuss
    • 3. In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

    • Options
    • A. adenine
    • B. 5-6 dimethylbenzimidazole
    • C. hydroxycobalamin
    • D. cyanocobalamin
    • Discuss
    • 4. Selenium is an essential component of the enzyme glutathione peroxidase which

    • Options
    • A. scavenges toxic hydoperoxycompounds in tissues
    • B. reduces toxic hydoperoxycompounds in tissues
    • C. oxidizes toxic hydoperoxycompounds in tissues
    • D. none of the above
    • Discuss
    • 5. ?-carotene together with ?-carotene, ?-carotene and cryptoxanthine are synthesized by

    • Options
    • A. plants
    • B. animal
    • C. plants and animals both
    • D. none of these
    • Discuss
    • 6. Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

    • Options
    • A. both ends by one disulfide bond
    • B. either end via two disulfide bonds
    • C. either end via a single disulfide bond
    • D. both ends by two disulfide bonds
    • Discuss
    • 7. The prosthetic group biotin is a carrier of which type of molecule?

    • Options
    • A. Activated carbon dioxide (CO2)
    • B. Ammonia
    • C. Methyl group
    • D. Sulfhydryl group
    • Discuss
    • 8. The most prominent role that tocopherol has in in-vitro systems is as a strong

    • Options
    • A. antioxidants
    • B. reducing agent
    • C. oxidizing agent
    • D. all of these
    • Discuss
    • 9. The vitamin riboflavin is part of the __________ molecule.

    • Options
    • A. ferredoxin
    • B. FAD
    • C. pyridoxal phosphat
    • D. pyrophosphate
    • Discuss
    • 10. The absence of ascorbic acid in the human diet gives rise to

    • Options
    • A. rickets
    • B. pernicious anemia
    • C. cataract
    • D. beri-beri
    • Discuss


    Comments

    There are no comments.

Enter a new Comment