Deficient enzyme responsible for: essential fructosuria vs fructose intolerance
a) Essential fructosuria: Fructokinase; Fructose intolerance: Aldolase B
b) Essential fructosuria: Aldolase B; Fructose intolerance: Fructokinase
c) Essential fructosuria: Glucose-6-phosphatase; Fructose intolerance: Fructokinase
d) Essential fructosuria: Glucose-6-phosphatase; Fructose intolerance: Aldolase B