Mic 541 Exam 1

7 Questions

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Protein Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following is/are true about bacterial cell walls?
    • A. 

      Rigid

    • B. 

      Sturdy

    • C. 

      Maintains shape

    • D. 

      Not a true molecular barrier

    • E. 

      All of the above are true

  • 2. 
    Which of the following are sugars that make up peptidoglycan?I NAGII NAMIII PentapeptidesIV Pentaglycine
    • A. 

      I, II, III and IV

    • B. 

      I, III and IV

    • C. 

      I and II only

    • D. 

      IV only

    • E. 

      I II and IV only

  • 3. 
    Which of the following are true about the Pentapeptide Chain?I made of 5 amino acidsII ends with D-ala-D-alaIII Hangs off of N-acetyl-muramic acidIV is a sugar
    • A. 

      I and II only

    • B. 

      I II and III only

    • C. 

      I and III only

    • D. 

      II and IV only

    • E. 

      I II III and IV

  • 4. 
    Penicillin-Binding Proteins recognize and bind to:
    • A. 

      D-ala-D-ala

    • B. 

      NAG

    • C. 

      NAM

    • D. 

      Pentaglycine bridge

  • 5. 
    The function of transglycosylase is to add to the growing NAG-NAM sugar backbone.
    • A. 

      True

    • B. 

      False

  • 6. 
    What shape is cocci?
  • 7. 
    Which of the following are true about gram negative bacteria?
    • A. 

      They have an additional assymetrical lipid bilayer

    • B. 

      They are easier to treat than gram positive

    • C. 

      They have a thinner peptidoglycan layer than gram positive

    • D. 

      They have porins that allow access to inside

    • E. 

      Their cell membranes are the same as gram positive