Question

#which one is diaminodicarboxylic amino acid ? Cystine lysine cysteine aspartic acid

Answer 1

Lysine is a basic amino acid that is diaminocarboxlic acid ( has more than one amino acid).

Cystine and cysteine are sulphur containing amino acids.

Aspartic acid is an acidic amino acid

( has more than one carboxylic group).

I hope it is fine