Amino acids, peptides and proteins Flashcards
1
Q
Draw/describe the general formula of alpha-amino acids
A
NH₂CH(R-variable group)COOH
2
Q
Why type of isomerism do alpha amino acids exhibit apart from aminoethanoic acid?
A
Optical isomers
3
Q
Show aminoethanoic acid reacting as a base and as a acid
A
- aminoethanoic acid <-> Proton + deprotonated form of aminoethanoic acid
- aminoethanoic acid + proton <-> Protonated form of aminoethanoic acid
4
Q
Draw the zwitterion form of aminoethanoic acid
A
H₃N⁺ - CH - COO⁻
5
Q
A
