Which of the following statements does NOT describe a step in the synthesis and secretion of T₃ and T₄? A)Iodide trapping B)Oxidation of iodide C)Coupling of T₁ and T₂ D)Synthesis of calcitonin E)Iodination of tyrosine

Question

Quizplus · Accepted Answer

Synthesis of calcitonin is not a step in the synthesis and secretion of T₃ and T₄. Calcitonin is a separate peptide hormone that is synthesized and secreted by different cells in the thyroid gland called "C cells" or "parafollicular cells". The synthesis and secretion of T₃ and T₄ involve iodide trapping, oxidation of iodide, iodination of tyrosine, coupling of iodinated tyrosine molecules, and packaging into secretory vesicles for release.

Which of the Following Statements Does NOT Describe a Step