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Subject - Chemistry:

Basics

MCQ - 415-2601

Question:

Which of the following is considered as the 21st amino acid

  1. hydroxylysine
  2. Ornithine
  3. Citrulline
  4. Ornithine

Correct Answer: D

Explanation:

Two additional amino acids are in some species coded for by codons that are usually interpreted as stop codons. 21st and 22nd amino acid is selenocysteine and pyrrolysine

Record Performance

645 MCQ for effective preparation of the test of Basics of Chemistry section.

Read the MCQ statement: Which of the following is considered as the 21st amino acid , 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. 415-2601.

How to Answer

Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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