Thyroid Hormones are Synthesized from What Amino Acid

Question

Thyroid hormones are synthesized from what amino acid?
A) glycine
B) tryptophan
C) histidine
D) tyrosine
E) glutamate

Accepted Answer

Thyroid hormones are synthesized from the amino acid tyrosine. Tyrosine serves as a precursor for the synthesis of thyroxine (T4) and triiodothyronine (T3), which are critical for regulating metabolism.