Question 1
| mRNA codon | Amino acid |
|---|---|
| UUU | Phe |
| UUC | Phe |
| CUU | Leu |
| UUA | Leu |
| UAU | Tyr |
A triplet on the template strand of a gene reads 3' AAA 5'. Using the codon table, which single base substitution in this triplet would leave the amino acid unchanged?
VCE Biology, Units 3 and 4.
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The five course sections
Nucleic acids, proteins and DNA tools
Unit 3, Area of Study 1
Biochemical pathways
Unit 3, Area of Study 2
Immunity and disease
Unit 4, Area of Study 1
Change over time and relatedness
Unit 4, Area of Study 2
Key science skills
Units 3 and 4
| Part | Time | Marks |
|---|---|---|
| Section A | Part of 2 hours 30 minutes | 40 marks |
| Section B | Part of 2 hours 30 minutes | 80 marks |
| The examination | 2 hours 30 minutes | 50% of the study score |
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