Which of these descriptions applies to the "iodine pump"?
A) a mechanism whereby target cells extract iodine-containing thyroid hormone from the blood
B) an active transport mechanism that concentrates iodine in the thyroid
C) a mechanism whereby T3 and T4 are released from thyroglobulin and pumped into the circulation
D) a protein-binding process whereby T3 and T4 are pumped throughout the body bound to plasma proteins
Correct Answer:
Verified
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