Biochem Glycoproteins

20 Questions | Total Attempts: 607

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Biochemistry Quizzes & Trivia

Biochem quiz. 20 questions


Questions and Answers
  • 1. 
    What is the name of the heteropolysaccharides in the basement membrane?
    • A. 

      Thrombin

    • B. 

      Glycosaminoglycans (GAGs)

    • C. 

      Endotoxin

    • D. 

      None of the above

  • 2. 
    Where can you find hyaluronic acid?
    • A. 

      In synovial fliud of joints

    • B. 

      Extracellular matrix of cartilage and tendons

    • C. 

      Vitreous humor of the eye

    • D. 

      Around the egg

    • E. 

      All of the above

  • 3. 
    On what amino acid does the linkage to form proteoglycans occur?
    • A. 

      Glycine

    • B. 

      Serine

    • C. 

      Proline

    • D. 

      Glutamate

  • 4. 
    Which is not a proteoglycan?
    • A. 

      Chondroitin sulfate

    • B. 

      Dermatan sulfate

    • C. 

      Keratin sulfate

    • D. 

      All of the above

    • E. 

      None of the above

  • 5. 
    What is produced by mast cells and used as an anticoagulant?
    • A. 

      Heparin

    • B. 

      Fusion inhibitor drugs

    • C. 

      Oseltamivir (Tamiflu)

    • D. 

      Zanamivir (Relenza)

  • 6. 
    ER glycosylation occurs on the side chain N of asparagine and is called?
    • A. 

      N-glycosylation

    • B. 

      O-glycosylation

    • C. 

      Viral neuraminidase

    • D. 

      None of the above

  • 7. 
    Golgi glycosylation occurs at serine and threonine and is called?
    • A. 

      N-glycosylation

    • B. 

      O-glycosylation

    • C. 

      Viral neuraminidase

    • D. 

      None of the above

  • 8. 
    What is held together by pentapeptide chains that have D-Ala-D-Ala?
    • A. 

      Plant cell wall

    • B. 

      Glycosaminoglycans (GAGs)

    • C. 

      Bacteria cell wall

    • D. 

      None of the above

  • 9. 
    Which of the following are beta-lactam antibiotics?
    • A. 

      Cephalosporins

    • B. 

      Oseltamivir (Tamiflu)

    • C. 

      Zanamivir (Relenza)

    • D. 

      A and B

    • E. 

      B and C

  • 10. 
    Heparin may cause?
    • A. 

      Muscular dystrophy

    • B. 

      Lipodystrophy

    • C. 

      Hyperglycemia

    • D. 

      Thrombcytopenia

  • 11. 
    Which of the following is a lipid carrier?
    • A. 

      Dolichol phosphate

    • B. 

      Glycoproteins

    • C. 

      Endotoxin

    • D. 

      All of the above

  • 12. 
    What do lectins attach to?
    • A. 

      Herpes

    • B. 

      H. pylori

    • C. 

      Diptheriotoxin

    • D. 

      Pertussis toxin

    • E. 

      All of the above

  • 13. 
    What drugs inhibit the the attachment of the herpes virus or HIV on to the surface of cells?
    • A. 

      Penicillins

    • B. 

      Cephalosporins

    • C. 

      Fusion inhibitor drugs

    • D. 

      Oseltamivir (Tamiflu)

    • E. 

      Zanamivir (Relenza)

  • 14. 
    What can remove sialic acid (neuraminic acid) residues?
    • A. 

      N-glycosylation

    • B. 

      O-glycosylation

    • C. 

      Viral neuraminidase

    • D. 

      None of the above

  • 15. 
    Viral neuraminidase is inhibited by what drug?
    • A. 

      Cephalosporins

    • B. 

      Oseltamivir (Tamiflu)

    • C. 

      Zanamivir (Relenza)

    • D. 

      A and B

    • E. 

      B and C

  • 16. 
    What contains a lipopolysaccharide that is resonsible for septic sock?
    • A. 

      Gram positive bacterial cell wall

    • B. 

      Gram negative bacterial cell wall

    • C. 

      Plant cell wall

    • D. 

      None of the above

  • 17. 
    The Lipid A portion of bacterial cell wall is referred to as?
    • A. 

      Dolichol phosphate

    • B. 

      Glycosaminoglycans (GAGs)

    • C. 

      Endotoxin

    • D. 

      All of the above

  • 18. 
    What is the life span of an erythrocyte?
    • A. 

      30 days

    • B. 

      60 days

    • C. 

      120 days

    • D. 

      180 days

  • 19. 
    What provides indications of plasma glucose levels?
    • A. 

      Hb-A1

    • B. 

      Hb-A1C

    • C. 

      Glucose oxidase

    • D. 

      None of the above

  • 20. 
    What converts glucose and oxygen into gluconolactone and H2O2?
    • A. 

      Hb-A1

    • B. 

      Hb-A1C

    • C. 

      Glucose oxidase

    • D. 

      None of the above

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