Multiple choice

Which of the following is not an essential amino acid?

  1. Isoleucine

  2. Asparagine

  3. Leucine

  4. Lysine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Asparagine is one of the 20 most common natural amino acids on Earth. It has carboxamide as the side-chain's functional group. It is not an essential amino acid. Its codons are AAU and AAC.

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