1. What is mean by the code is non-overlapping?
- each codon codes for one amino acid
- each codon is only present in one protein
- only 1 amino acid can be coded for by 1 codon
- each amino acid is specific to one particular codon
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2. what is meant by the code is almost universal?
- every organism has the same proteins
- all DNA is the same
- the same sequences of bases, code for the same amino acids in all organisms
- the genetic code exists all over the world
3. 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 all metabolic functions within a cell
- a codon that doesnt stop working
- a codon that stops the production of ATP within a cell
4. 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
5. Give an example of a structural protein that DNA codes for:
- Haemoglobin and Cellulose
- Collagen and Keratin
- Fibre and Hooves