Which of the following events occurs last?
A. Enzymes break down thyroglobulin to release T3 and T4.
B. Iodide is actively transported into thyroid follicle cells.
C. Thyroglobulin is taken into thyroid cells by endocytosis.
D. Iodide is bound to tyrosine molecules of thyroglobulin.
E. T3 and T4 are stored within thyroid follicles.
Answer: A
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