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