Question:

Which one of the following hormones does NOT contain peptide chain?

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Steroid hormones are lipid-soluble and can easily cross cell membranes to reach receptors inside the cell.
Updated On: Jun 5, 2026
  • Oxytocin
  • Corticotropin
  • Insulin
  • Cortisone
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The Correct Option is D

Solution and Explanation

Concept: Hormones are categorized based on their chemical structure, mainly into peptide/protein hormones and steroid hormones.

Step 1: Classifying the given hormones.
- Oxytocin, Corticotropin, and Insulin are all composed of amino acid chains, making them peptide or protein-based hormones. - Cortisone is derived from cholesterol, which classifies it as a steroid hormone.

Step 2: Confirming the chemical structure.
Since steroid hormones like Cortisone do not possess a peptide backbone, it is the correct answer. equation Hormone lacking peptide chain = Cortisone (Steroid) equation center Cortisone center
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