Question:medium

The hormone \((X)\) is a derivative of amino acid \(P\) \[ \mathrm{HO-C_6H_3(CH_2CH(NH_2)COOH)} \] and gland \((Y)\) where \(X\) is produced by is

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Tyrosine is the precursor of: \begin{itemize} \item Thyroxine (\(T_4\)) \item Triiodothyronine (\(T_3\)) \item Epinephrine (Adrenaline) \item Norepinephrine (Noradrenaline) \end{itemize} Thyroxine is produced by the thyroid gland.
Updated On: Jul 9, 2026
  • Epinephrine, Adrenal
  • Thyroxine, Thyroid
  • Insulin, Pancreas
  • Norepinephrine, Adrenal \bigskip
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The Correct Option is B

Solution and Explanation

Step 1: Given structure is tyrosine. X = Thyroxine (derived from tyrosine). Y = Thyroid gland.

Step 2:
Write the final answer. \(\boxed{X=\text{Thyroxine},\qquad Y=\text{Thyroid}}\)
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