The 21st amino acid is
Selenocysteine (abbreviated as Sec) is the 21st proteinogenic amino acid. It exists naturally in all kingdoms of life as a building block of selenoproteins.
645 MCQ for effective preparation of the test of Basics of Chemistry section.
Read the MCQ statement: The 21st amino acid is , keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 577-2763.