Regarding the iodide pump in thyroid cells, which is NOT true?

Question

Regarding the  iodide pump  in thyroid cells, which is NOT true?

TuteeHUB · Accepted Answer

it pumps iodide against an electrical gradient

TuteeHUB · Answer

it is stimulated by TSH

TuteeHUB · Answer

it depends on Na+ / K+ ATPase activity

TuteeHUB · Answer

it pumps iodide into the colloid, after entering the cell down an electrical gradient

TuteeHUB · Answer

its activity can be measured with trace doses of radioactive iodine

1.	Regarding the iodide pump in thyroid cells, which is NOT true?
A.	it is stimulated by TSH
B.	it depends on Na+ / K+ ATPase activity
C.	it pumps iodide into the colloid, after entering the cell down an electrical gradient
D.	it pumps iodide against an electrical gradient
E.	its activity can be measured with trace doses of radioactive iodine
Answer» D. it pumps iodide against an electrical gradient

Discussion