Genetic Code & Protein Synthesis Quiz

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Questions and Answers

Which molecule serves as the adaptor molecule in translation?

  • mRNA
  • DNA
  • rRNA
  • tRNA (correct)

How many nucleotides are there in a codon?

  • 1
  • 4
  • 3 (correct)
  • 2

How many different codons are there in the genetic code?

  • 64 (correct)
  • 6
  • 3
  • 20

Which of the following is NOT true about the genetic code?

<p>There are 20 different codons (D)</p> Signup and view all the answers

Which of the following is true about tRNA?

<p>It has an affinity for a specific amino acid (D)</p> Signup and view all the answers

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Study Notes

Translation

  • The adaptor molecule in translation is transfer RNA (tRNA)
  • A codon consists of three nucleotides

The Genetic Code

  • There are 64 different codons in the genetic code
  • The genetic code is NOT ambiguous, meaning each codon codes for only one amino acid or stop signal
  • The genetic code is degenerate, meaning more than one codon can code for the same amino acid

tRNA

  • tRNA is a type of RNA that brings amino acids to the ribosome during translation

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