Protein Synthesis

1. During translation, the ____ site within the ribosome hold the growing amino acid chain while the ____ site holds the next amino acid to be added to the chain.

  • A, B
  • P, A
  • A, P
  • B, A
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2. the transcribing enzyme is called:

  • ligase
  • DNA polymerase
  • RNA polymerase
  • Amino-acyl transferase

3. which molecule contains the genetic code?

  • rRNA
  • mRNA
  • tRNA
  • DNA

4. What happens to the DNA molecule after Transcription?

  • nothing
  • it dies
  • it returns to its normal form ready for the next transcription process
  • it becomes RNA

5. the first mRNA codon to specify an amino acid is always ("start")

  • UAA
  • TAC
  • AUG
  • UAG


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