Proteins: Structure and Functions · NCERT Biology

Which of the following is an acidic amino acid?

  1. Lysine (basic)
  2. Arginine (basic)
  3. Glutamic acid
  4. Alanine (neutral)
Show answer and explanation

Correct answer: Glutamic acid

Glutamic acid and aspartic acid have an extra carboxyl group in their R-group, making them acidic. Lysine and arginine are basic amino acids.

Difficulty: Medium Question 15 of 20

Practice all 20 Proteins: Structure and Functions questions

Keep practicing

More Proteins: Structure and Functions questions