Which of the following amino acids is structurally similar to the amino acid ornithine?

Question

Quizplus · Accepted Answer

Ornithine and lysine are both basic amino acids with similar structures. Both have a positively charged amino group and a long carbon chain. Arginine, another basic amino acid, also has a long carbon chain but contains an additional guanidine group. Cysteine and serine have small side chains and are not structurally similar to ornithine.

Which of the Following Amino Acids Is Structurally Similar to the Amino