Chemically steroids are derivatives of: (A) Cholesterol, (B) Ergosterol, (C) Fatty acids, (D) Perhydrocyclopentanophenantherene
Answer is A. Cholesterol is first acted upon by desmolasw and a 6 carbon unit is cleaved off, forming pregnenoloneProgesterone is the first steroid hormone formed from pregnenoloneProgesterone is fuher conveed in to glucocoicoids, mineralocoicoids and sex steroids Ref: DM Vasudevan, 7th edition, page no: 664, 665