The Genetic Code

  • Created by: sjones1
  • Created on: 01-04-16 11:01
What is meant by the term gene?
A sequence of DNA nucleotides that code for a polypeptide
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What is meant by the term Reference Strand?
A strand of DNA that mRNA uses as a template in transcription
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What is meant by the term triplet code?
a group of 3 bases in a DNA molecule that code for 1 amino acid
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What is meant by the code is degenerate?
a given amino acid maybe coded for by more than one codon
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What is mean by the code is non-overlapping?
each codon codes for one amino acid
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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
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what is meant by the code is almost universal?
the same sequences of bases, code for the same amino acids in all organisms
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What evidence is there to suggest that the genetic code evolved early on?
it is almost universal
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Give an example of a structural protein that DNA codes for:
Collagen and Keratin
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Card 2

Front

What is meant by the term Reference Strand?

Back

A strand of DNA that mRNA uses as a template in transcription

Card 3

Front

What is meant by the term triplet code?

Back

Preview of the front of card 3

Card 4

Front

What is meant by the code is degenerate?

Back

Preview of the front of card 4

Card 5

Front

What is mean by the code is non-overlapping?

Back

Preview of the front of card 5
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