Which of the following is a negatively charged amino acid?

Question

Which of the following is a negatively charged amino acid? (A) Valine (B) Lysine (C) Phenylalanine (D) Glutamic acid

Tardigrade Admin · Accepted Answer

Based on the number of amino and carboxyl groups, amino acids are classified as acidic/negative (e.g., glutamic acid), basic/positive (lysine), and neutral (valine) amino acids. Similarly, there are aromatic amino acids (tyrosine, phenylalanine, tryptophan).

Q. Which of the following is a negatively charged amino acid?

Valine

Lysine

Phenylalanine

Glutamic acid

Based on the number of amino and carboxyl groups, amino acids are classified as acidic/negative (e.g., glutamic acid), basic/positive (lysine), and neutral (valine) amino acids. Similarly, there are aromatic amino acids (tyrosine, phenylalanine, tryptophan).