Following are the essential amino acid______________?
Correct answer: C. Phenylalanine, Tryptophan lysine
- A. Phenylalanine, Valine, Glycine
- B. Phenylalanine, Arginine Methinonine
- C. Phenylalanine, Tryptophan lysine
- D. Histidine, Glutamine, Valine
Explanation
Phenylalanine, tryptophan, and lysine are all essential amino acids that must be obtained from the diet. Glycine and glutamine are nonessential, while arginine is usually conditionally essential rather than universally essential in adults.
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