Regarding the hormone groups based on their chemical structure, the ________ are derivatives of tyrosine and are released by the adrenal medulla.
A) eicosanoids
B) catecholamines
C) steroid hormones
D) thyroid hormones
E) peptide hormones

Question

Quizplus · Accepted Answer

Catecholamines, such as epinephrine and norepinephrine, are derived from the amino acid tyrosine and are secreted by the adrenal medulla. Eicosanoids are derived from fatty acids, steroid hormones are derived from cholesterol, and thyroid hormones are derived from the amino acid tyrosine but are released by the thyroid gland. Peptide hormones are composed of amino acids but are not derived from tyrosine.

Regarding the Hormone Groups Based on Their Chemical Structure, the ________