Dopamine beta-hydroxylase catalyzes: (A) Dopa to dopamine, (B) Norepinephrine to dopamine, (C) Epinephrine to norepinephrine, (D) Dopamine to norepinephrine
Answer is D. Dopamine is hydrolysed by Dopamine beta hydroxylase to Norepinephrine or Adrenaline.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 235