Question:
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
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
Show Hint
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
Show Solution
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The Correct Option is B
Solution and Explanation
Step 1: Identify amino acid \(P\).
The given structure is
\[
\mathrm{HO-C_6H_4-CH_2CH(NH_2)COOH}
\]
which is the structure of the amino acid tyrosine.
Step 2: Identify the hormone derived from tyrosine. Thyroxine (\(T_4\)) is synthesized from iodinated tyrosine residues and is therefore a derivative of tyrosine.
Step 3: Identify the gland. Thyroxine is secreted by the \[ \boxed{\text{Thyroid gland}.} \]
Step 4: Final conclusion. Thus, \[ \boxed{X=\text{Thyroxine},\qquad Y=\text{Thyroid}} \] Hence, the correct option is \(\boxed{(B)}\).
Step 2: Identify the hormone derived from tyrosine. Thyroxine (\(T_4\)) is synthesized from iodinated tyrosine residues and is therefore a derivative of tyrosine.
Step 3: Identify the gland. Thyroxine is secreted by the \[ \boxed{\text{Thyroid gland}.} \]
Step 4: Final conclusion. Thus, \[ \boxed{X=\text{Thyroxine},\qquad Y=\text{Thyroid}} \] Hence, the correct option is \(\boxed{(B)}\).
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