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Bacteria, antibiotics and gene transfer

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  • What kind of antibiotic interferes with cell wall production?
    beta lactams (penicillin)
    sulfonamides
    fluoroquinolones
    tetracycline
  • DNA can be found in bacteria in the nucleoid DNA and the
    ribosome
    endotoxins
    plasma membrane
    plasmid
  • Which one stains purple?
    gram positive bacteria
    gram negative bacteria
  • What kind of antibiotic interferes with supercoiling of DNA
    fluoroquinolones
    tetracycline
    sulfonamide
    beta lactams (penicillin)
  • Which bacterial gene transfer method involves a plasmid transferred through a pilus?
    conjugation
    transformation
    transduction
  • Which antibiotic class binds with the 30S ribosomal unit to interfere with protein synthesis?
    beta lactam (penicillin)
    sulfonamide
    tetracycline
    fluoroquinolones
  • Which one has a thick layer of peptidoglycan in the cell wall?
    gram positive bacteria
    human cells
    bacteriophage
    gram negative bacteria
  • Which antibiotic class starves bacteria by blocking folic acid pathways?
    tetracycline
    fluoroquinolone
    sulfonamide
    beta lactam (penicillin)
  • What bacteria structure helps bacteria with motility (movement)
    Flagella
  • What bacteria structure is responsible for protein synthesis
    nucleoid
    ribosome
    plasmid
    cell wall
  • Which bacterial gene transfer method involves a virus, bacteriophage, delivering bacterial DNA?
    conjugation
    transduction
    transformation
  • Which bacterial gene transfer method involves free DNA, or environmental DNA, being taken up by competent bacteria?
    transformation
    conjugation
    transduction
  • Which one has an outer membrane with endotoxins?
    gram positive bacteria
    human cells
    gram negative bacteria
    viruses