Biochem Amino Acids

20 Questions

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Amino Acid Quizzes & Trivia

Quiz for biochem. This topic is amino acids. 20 questions.


Questions and Answers
  • 1. 
    Which of the following is a non polar aliphatic amino acid?
    • A. 

      Serine

    • B. 

      Arginine

    • C. 

      Leucine

    • D. 

      Tyrosine

    • E. 

      Phenylalanine

  • 2. 
    Which of the following is a non polar aromatic amino acid?
    • A. 

      Glycine

    • B. 

      Tryptophan

    • C. 

      Leucine

    • D. 

      Threoine

    • E. 

      Aspartate

  • 3. 
    Which of the following is a polar uncharged amino acid?
    • A. 

      Glutamine

    • B. 

      Arginine

    • C. 

      Glutamate

    • D. 

      Valine

    • E. 

      Proline

  • 4. 
    Which of the following is a polar negatively charged amino acid?
    • A. 

      Glutamine

    • B. 

      Leucine

    • C. 

      Glutamate

    • D. 

      Serine

    • E. 

      Glycine

  • 5. 
    Which of the following is a polar positively charged amino acid?
    • A. 

      Glutamine

    • B. 

      Glutamate

    • C. 

      Arginine

    • D. 

      Asparagine

    • E. 

      Aspartate

  • 6. 
    What forms between two cysteines to produce cystine?
    • A. 

      A hydrogen bond

    • B. 

      A disulfide bond

    • C. 

      An ionic bond

    • D. 

      Val der waals interactions

    • E. 

      None of the above

  • 7. 
    Which of the following is a reducing agent that can break a disulfide bond?
    • A. 

      Dithiothreitol (DTT)

    • B. 

      Mercaptoethanol

    • C. 

      Gamma-carboxyglutmate

    • D. 

      A and B

    • E. 

      B and C

  • 8. 
    Which of the following makes up glutathione, the cellular free radical scavenger?
    • A. 

      Glutamate

    • B. 

      Cysteine

    • C. 

      Glycine

    • D. 

      All of the above

    • E. 

      None of the above

  • 9. 
    What converts H2O2 into H2O and O2?
    • A. 

      Beta-carboxylation

    • B. 

      Beta-oxidation

    • C. 

      Glutathione peroxidase

    • D. 

      A and B

    • E. 

      B and C

  • 10. 
    What is required to reduce an oxidized glutathione?
    • A. 

      NADH

    • B. 

      NADPH

    • C. 

      Glutathione reductase

    • D. 

      A and C

    • E. 

      B and C

  • 11. 
    What drug may cause latrogenic hemolytic anemia?
    • A. 

      Primaquine

    • B. 

      Warfarin

    • C. 

      Lexapro

    • D. 

      None of the above

  • 12. 
    What is in certain clotting factors?
    • A. 

      Dithiothreitol (DTT)

    • B. 

      Mercaptoethanol

    • C. 

      Gamma-carboxyglutamate

    • D. 

      A and B

    • E. 

      B and C

  • 13. 
    What drug is a vitamin K antagonist and useful as an anticoagulant?
    • A. 

      Primaquine

    • B. 

      Warfarin

    • C. 

      Lexapro

    • D. 

      None of the above

  • 14. 
    A phosphatase generally causes?
    • A. 

      Phosphorylation

    • B. 

      Dephosphorylation

    • C. 

      Carboxylation

    • D. 

      Hydrolyzation

  • 15. 
    What amino acid is sertonin derived from?
    • A. 

      Glycine

    • B. 

      Glutamate

    • C. 

      Tyrosine

    • D. 

      Histadine

    • E. 

      Tryptophan

  • 16. 
    Which of the following are inhibitory synapses?
    • A. 

      Glycine

    • B. 

      GABA

    • C. 

      Glutamate

    • D. 

      A and B

    • E. 

      B and C

  • 17. 
    Which of the following are excitatory synapses?
    • A. 

      Glycine

    • B. 

      GABA

    • C. 

      Glutamate

    • D. 

      A and B

    • E. 

      B and C

  • 18. 
    Which of the following is derived from tyrosine?
    • A. 

      Dopamine

    • B. 

      Norepinephrine

    • C. 

      Epinephrine

    • D. 

      All of the above

  • 19. 
    What amino acid is histamine derived from?
    • A. 

      Glycine

    • B. 

      Glutamate

    • C. 

      Tyrosine

    • D. 

      Histadine

    • E. 

      Tryptophan

  • 20. 
    What enzyme is needed to produce nitric oxide from arginine?
    • A. 

      Nitric oxide synthase

    • B. 

      Adenylyl cyclase

    • C. 

      Cyclic nucleotide phosphodiesterase

    • D. 

      None of the above