Which of the following is true of T₄?
A) It contains three atoms of iodine.
B) It binds more efficiently to target cell receptors than does T3.
C) It is a prohormone for T3.
D) All of the above are true of T4.

Question

Quizplus · Accepted Answer

T₄ is a prohormone for T3, which means it is converted to T3 in target tissues by the removal of one iodine atom. T₄ contains four atoms of iodine, not three, and T3 binds more efficiently to target cell receptors than does T4.

Which of the Following Is True of T₄