Protein Biosynthesis Quiz
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Questions and Answers

What is the percentage of chemical energy used by a cell for all biosynthetic reactions that can be accounted for by protein synthesis?

  • 80%
  • 70%
  • 50%
  • 90% (correct)
  • How many different ribosomal proteins are required for eukaryotic protein synthesis?

  • 50
  • 30
  • 90
  • 70 (correct)
  • How long does it take to synthesize a polypeptide of 100 residues in an Escherichia coli cell at 37°C?

  • 5 seconds (correct)
  • 10 seconds
  • 2 seconds
  • 15 seconds
  • How many molecules of tRNA are there in a typical bacterial cell?

    <p>200,000</p> Signup and view all the answers

    What is the percentage of the cell's dry weight that can be accounted for by ribosomes, protein synthesis-related protein factors and enzymes, and tRNA molecules in a typical bacterial cell?

    <p>35%</p> Signup and view all the answers

    How many different macromolecules cooperate to synthesize polypeptides?

    <p>300</p> Signup and view all the answers

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