L10. Amino Acids Flashcards
1
Q
Describe the basic structure of an amino acid.
A
Carbon with :
- H
- COOH
- NH2
- R group
2
Q
Are amino acids symmetrical or asymmetrical? What does this give rise to?
A
Asymmetrical
L and d isomers
3
Q
Describe an L isomer.
A
When the NH2 is on the left
Nicola Lambert on the Left
4
Q
Describe a d isomer.
A
When the NH2 is on the right
5
Q
Where are L isomers often found?
A
proteins
6
Q
Where are d isomers often found?
A
Bacterial cell walls
7
Q
What is the definition of electronegativity?
A
The power of an atom to attract electrons towards itself.
8
Q
Which amino acid has no enantiomers?
A
Glycine
