Microbiology Quiz 2 - Chapter 4

13 Questions  I  By Dindiam
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Microbiology Quizzes & Trivia

  
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  • 1. 
    The two functions of bacterial appendages are
    • A. 

      Attachment and protection

    • B. 

      Attachment and motility

    • C. 

      Motility and slime production

    • D. 

      Energy reactions and synthesis

    • E. 

      Protection and motility


  • 2. 
    The basal body of a flagellum is anchored into the
    • A. 

      Hook

    • B. 

      Outer membrane

    • C. 

      Cell wall

    • D. 

      Peptidoglycan layer

    • E. 

      Cell membrane


  • 3. 
    The term that refers to flagella at both poles is
    • A. 

      Amphitrichous

    • B. 

      Atrichous

    • C. 

      Lophotrichous

    • D. 

      Monotrichous

    • E. 

      Peritrichous


  • 4. 
    Chemo taxis refers to the ability to
    • A. 

      Move in response to light

    • B. 

      Move in response to a chemical

    • C. 

      Not move in response to a chemical

    • D. 

      Transport desired molecules into cell

    • E. 

      None of the choices are correct


  • 5. 
    The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
    • A. 

      Flagella

    • B. 

      Cilia

    • C. 

      Fimbriae

    • D. 

      Periplasmic flagella (axial filaments)

    • E. 

      Sex pili


  • 6. 
    A bacterial genus that has waxy mycolic acid in the cell walls is
    • A. 

      Mycobacterium

    • B. 

      Mycoplasma

    • C. 

      Streptococcus

    • D. 

      Corynebacterium

    • E. 

      Salmonella


  • 7. 
    The enzyme _____, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls.
    • A. 

      Penicillinase

    • B. 

      Lysozyme

    • C. 

      Peptidase

    • D. 

      All of the choices are correct

    • E. 

      None of the choices are correct


  • 8. 
    Lysozyme is most effective against 
    • A. 

      Gram negative organisms

    • B. 

      Gram positive organisms

    • C. 

      Mycoplasmas

    • D. 

      Cyanobacteria

    • E. 

      Archea


  • 9. 
    The fragile cell produced when gram positive bacteria are exposed to lysozyme or penicillin is a/an
    • A. 

      Protoplast

    • B. 

      Mycoplasma

    • C. 

      Spheroplast

    • D. 

      Glycocalyx

    • E. 

      Glycan


  • 10. 
    All of the following structures contribute to the ability of pathogenic bacteria to cause disease except the
    • A. 

      Inclusions

    • B. 

      Fimbriae

    • C. 

      Capsule

    • D. 

      Slime layer

    • E. 

      Outer membrane of gram negative cell walls


  • 11. 
    Which of the following does not pertain to endotoxins?
    • A. 

      Are specific bacterial cell wall lipids

    • B. 

      Can stimulate fever in the human body

    • C. 

      Can cause septic shock in the human body

    • D. 

      Involved in typhoid fever and some meningitis cases

    • E. 

      Found in acid fast bacterial cell walls


  • 12. 
    Lipopolysaccharide is an important cell wall component of
    • A. 

      Gram negative bacteria

    • B. 

      Gram positive bacteria

    • C. 

      Acid fast bacteria

    • D. 

      Mycoplasmas

    • E. 

      Protoplasts


  • 13. 
    The site/s for most ATP synthesis in prokaryotic cells is/are the
    • A. 

      Ribosomes

    • B. 

      Mitochondria

    • C. 

      Cell wall

    • D. 

      Inclusions

    • E. 

      Cell membrane


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