Microbiology quizzes
How bacteria share genetic material and acquire new traits, including resistance to antibiotics.
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From Microbiology: How Bacteria Swap Genes Without Sex
Why can some antibiotics block bacterial protein synthesis without blocking ours?
- Our cells contain no ribosomes
- Bacterial ribosomes differ from ours
- Bacteria make no proteins at all
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Answer: Bacterial ribosomes differ from ours
Bacterial 70S ribosomes have a different structure from the 80S ribosomes in our cytoplasm, so drugs like tetracyclines can jam theirs selectively.
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