Iodine transport into the thyroid gland is powered by an exoisting Na+ gradient

Question

Iodine transport into the thyroid gland is powered by an exoisting Na+ gradient True False Which of the following cannot stimulate osteoclasts' formation or activity? cortisol thyroid hormone calcitonin parathyroid hormone Of the following which is the only one that lowers blood pressure? Aldosterone anglotensin II Which of the following is not true of clacitriol? Synthesis requires processing in the liver synthesis requires processing in the kidney opposes the action of parathyroid hormone It is a form of Vitamin D Thyroid hormones T3 and T4 are made from iodinating and two True False

Explanation / Answer

ans 5: true: A sodium/iodide symporter transports two sodium cations (Na+) for each iodide anion (I) into the cell.

NIS mediated uptake of iodide into follicular cells of the thyroid gland is the first step in the synthesis of thyroid hormone.

Ans 6:

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