Bacterial vs

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Questions and Answers

Which of the following is true about protein synthesis in bacteria and eukaryotes?

  • Only eukaryotes make proteins on polyribosomes
  • Neither bacteria nor eukaryotes make proteins on polyribosomes
  • Only bacteria make proteins on polyribosomes
  • Both bacteria and eukaryotes make proteins on polyribosomes (correct)

What is the advantage of bacteria over eukaryotes in accelerating protein synthesis?

  • Bacteria have processed mRNA that is physically accessible to ribosomes
  • Bacteria have unprocessed mRNA that is physically accessible to ribosomes (correct)
  • Eukaryotes have unprocessed mRNA that is physically accessible to ribosomes
  • Eukaryotes have processed mRNA that is physically accessible to ribosomes

Which type of antibiotics exploit differences in ribosomes to inhibit bacterial protein synthesis but not eukaryotic protein synthesis?

  • Antibiotics that target eukaryotic mRNA
  • Antibiotics that target structural and functional similarities between bacterial and eukaryotic ribosomes
  • Antibiotics that target structural and functional differences between bacterial and eukaryotic ribosomes (correct)
  • Antibiotics that target bacterial mRNA

Which of the following is true about the breakdown regulation of proteins in cells?

<p>Proteins with shorter lifespans are broken down more quickly. (D)</p> Signup and view all the answers

What is the relationship between ribosomes and protein synthesis?

<p>Ribosomes bind to mRNA to speed up protein synthesis. (C)</p> Signup and view all the answers

Where were several common antibiotics first isolated from?

<p>Fungi (A)</p> Signup and view all the answers

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