Physiology Test Question

Within the lumen of the thyroid follicles, the thyroid hormones (T₄, T₃, and rT₃) are:

	(A) Freely dissolved in the colloid
	(B) Bound to thyroglobulin through non-covalent interactions
	(C) Exist as modified and iodinated tyrosine residues of thyroglobulin, still incorporated in the backbone of thyroglobulin

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Posted: Sunday, January 18, 2015

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