1. Give an example of a structural protein that DNA codes for:
- Fibre and Hooves
- Collagen and Keratin
- Haemoglobin and Cellulose
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2. What is meant by the term gene?
- A sequence of DNA nucleotides that code for a polypeptide
- a short strand of DNA
- a section of DNA
- a section of DNA that codes for lipids
3. 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
4. What is mean by the code is non-overlapping?
- each codon is only present in one protein
- each codon codes for one amino acid
- each amino acid is specific to one particular codon
- only 1 amino acid can be coded for by 1 codon
5. 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