Other questions in this quiz

2. what is meant by the code is almost universal?

  • the same sequences of bases, code for the same amino acids in all organisms
  • the genetic code exists all over the world
  • every organism has the same proteins
  • all DNA is the same

3. What is meant by the term Reference Strand?

  • An enzyme used to catalyse mRNA production
  • A template for translation
  • A strand of DNA that mRNA uses as a template in transcription
  • A strand that people refer to when wanting to know which bases code for what protein

4. what is meant by the term 'stop codon'?

  • a codon that does not code for an amino acid, but instead indicates the end of a polypeptide chain
  • a codon that stops the production of ATP within a cell
  • a codon that stops all metabolic functions within a cell
  • a codon that doesnt stop working

5. What evidence is there to suggest that the genetic code evolved early on?

  • it is non-overlapping
  • it is very long
  • it is almost universal
  • it is degenerate


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