Question:

Which from following is essential amino acid?

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Essential amino acids cannot be made by the body and must come from diet.
Updated On: Nov 13, 2026
  • Valine

  • Proline

  • Tyrosine

  • Alanine

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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Concept
Essential amino acids are not synthesised in the human body and must be supplied through food.

Step 2: Check Each Option
Valine is essential.
Proline, tyrosine and alanine are non-essential.

Step 3: Compare the options
Valine is option (A).

Final Answer:
Valine is the essential amino acid. \[ \boxed{\text{(A) }\text{Valine}} \]
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