Translation 1: Ribosome structure & function-week 5
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Questions and Answers

The fourth codon in an mRNA is GGG, which specifies glycine. Assuming that no amino acids are removed from the polypeptide, which of the following statement is correct?

  • The third amino acid from the N-terminus is glycine
  • The fourth amino acid from the N-terminus is glycine (correct)
  • The third amino acid from the C-terminus is glycine
  • The fourth amino acid from the C-terminus is glycine

    • The assembly of transcription factors begins

  • upstream from the transcription start site (correct)
  • downstream from the transcription start site.
  • . upstream from the translation start site.
  • downstream from the translation start site.

    • How many binding sites for tRNAs are present in each bacterial ribosome?

  • 1
  • 2
  • 3 (correct)
  • 4

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