Question:
Which from following is an essential amino acid?
Which from following is an essential amino acid?
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Mnemonic for essential amino acids: PVT TIM HALL (Phenylalanine, Valine, Threonine, Tryptophan, Isoleucine, Methionine, Histidine, Arginine, Leucine, Lysine).
Updated On: May 14, 2026
- Tyrosine
- Serine
- Histidine
- Glycine
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The Correct Option is C
Solution and Explanation
Step 1: Concept
Amino acids are categorized as essential or non-essential based on whether the body can synthesize them.
Step 2: Meaning
Essential amino acids must be obtained through diet.
Step 3: Analysis
Glycine, Serine, and Tyrosine are non-essential amino acids as they are produced within the human body. Histidine is one of the ten amino acids that the human body cannot produce and must be sourced externally.
Step 4: Conclusion
Histidine is an essential amino acid. Final Answer: (C)
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