T3 and T4
a. are synthesized in parafollicular cells of the thyroid.
b. are bound to thyroglobulin during synthesis.
c. are synthesized from iron and the amino acid tyrosine. d. are produced in equal amounts by the thyroid.
e. all of these
Answer: b
T3 and T4
a. are synthesized in parafollicular cells of the thyroid.
b. are bound to thyroglobulin during synthesis.
c. are synthesized from iron and the amino acid tyrosine. d. are produced in equal amounts by the thyroid.
e. all of these
Answer: b