The Genetic Code

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  • Created by: sjones1
  • Created on: 01-04-16 11:01

1. What is mean by the code is non-overlapping?

  • each amino acid is specific to one particular codon
  • each codon codes for one amino acid
  • only 1 amino acid can be coded for by 1 codon
  • each codon is only present in one protein
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2. What is meant by the term triplet code?

  • 1 base in a DNA molecule that codes for 3 amino acids
  • a group of 3 bases in a DNA molecule that code for 1 amino acid
  • 3 different bases coding for lipids
  • when DNA has 3 of the same bases in a consecutive order

3. Give an example of a structural protein that DNA codes for:

  • Carbohydrates
  • Collagen and Keratin
  • Fibre and Hooves
  • Haemoglobin and Cellulose

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

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

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

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

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