Proteins - Structure Of Amino Acids Flashcards
1
Q
What are proteins?
A
Organic molecules
2
Q
What are the important functions of proteins?
3
A
Structural roles
Metabolic roles
Transport roles
3
Q
What are proteins made of?
A
Carbon
Hydrogen
Oxygen
Nitrogen
Sometimes:
Sulphur
Phosphorus
4
Q
What are amino acids?
A
The monomer units used to make proteins.
All amino acids have the same basic structure with different R groups
5
Q
What is the basic structure for all amino acids?
A
H H O
\ | //
N — C — C
/ | \
H R OH
6
Q
How many natural occurring amino acids are there?
How are they different?
A
20
Each have a different R group
7
Q
Each amino acid has a different R group.
How can they vary?
(3)
A
Size
Polarity
Charge
8
Q
Why does every amino acid have different properties?
A
Because each amino acid has a different R group
