7. Amino Acid
R group/
side chain Monomer of protein
Amine group
Carboxyl group
R group/Side chain
H
Use kits to
Amine
group
Carboxyl make amino
group
acids – use X
as R group
DO NOT BREAK UP YOUR MODELS
16. Denaturation
If we were to heat a protein....
- Hydrogen bonds break
- Tertiary Structure is lost
When you boil an egg what
happens to the white?
What was it like before,?
What is it like now?
Can you reverse the process?
17. Summary Questions: P 22
1. How is one amino acid different to
another?
2. Explain why a pregnant woman
needs to eat more protein in her diet
than a non pregnant woman of the
same age and body mass
Practice Questions
1. Name the monomers that make up
(i) carbohydrate and (ii) protein
2. Name three polysaccharides of
glucose
3. What reaction joins two
carbohydrate monomers?