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Which of the following is not a steroid hormone?
Steroid hormones derive from cholesterol: Cortisol, Testosterone, Estradiol, Progesterone. Glucagon is a 29-amino acid PEPTIDE hormone secreted by alpha-cells of pancreas!
Hormones are divided into four chemical classes: (i) Peptide, polypeptide, protein hormones: insulin, glucagon, pituitary hormones, hypothalamic hormones, etc. (ii) Steroids: e.g., cortisol, testosterone, estradiol and progesterone. (iii) Iodothyronines: thyroid hormones. (iv) Amino-acid derivatives: epinephrine.
Glucagon is a peptide hormone secreted by the alpha-cells of the islets of Langerhans that plays an important role in maintaining normal blood glucose levels (hyperglycemic factor).
Diagnose every choice: Know exactly why the right option works and why distractors fail.
Progesterone is a steroid hormone synthesized by the corpus luteum.
Glucagon is a peptide hormone, not a lipid-derived steroid.
Cortisol is a glucocorticoid steroid hormone from the adrenal cortex.
Testosterone is a classic androgenic steroid hormone produced by Leydig cells.
Assuming only reproductive hormones are steroids.
"Hormones can be divided into groups: (i) peptide, polypeptide, protein hormones (e.g., insulin, glucagon, pituitary hormones...) (ii) steroids (e.g., cortisol, testosterone, estradiol and progesterone)."
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