Home » Which out of the following is not a substrate-specific enzyme? Enzymology MCQs Which out of the following is not a substrate-specific enzyme? January 22, 2022 52 Views Q. Which out of the following is not a substrate-specific enzyme? A. Glucokinase B. Fructokinase C. Hexokinase D. Phospho fructokinase Answer: Hexokinase