The following are true about the thyroid hormone
a. iodide ions enter the follicle cells by passive diffusion
b .T4 and T3 bind to the receptors in nuclei
c. thyroxine, once synthesized, is coupled to thyroglobulin
until released
d. a greater proportion of tri-iodothyronine is formed when
iodine is deficient
a. iodide ions enter the follicle cells by passive diffusion
b .T4 and T3 bind to the receptors in nuclei
c. thyroxine, once synthesized, is coupled to thyroglobulin
until released
d. a greater proportion of tri-iodothyronine is formed when
iodine is deficient