Enzymes not impoant in testosterone biosynthesis: (A) 5-aplha reductase, (B) Delta 5-4 isomerase, (C) 18 hydroxylase, (D) Alpha hydroxylase
Answer is C. Progesterone is conveed to 18hydroxyprogestrone by 18 -hydroxylaseThese reactions are effected by hydroxylationThese specific hydroxylases are mono-oxygenasesRef: DM Vasudevan, 7th edition, page no: 665