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