This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which of the following glycolytic enzymes is used in gluconeogenesis? 
Select and explain. 
A. Glucokinase, B. Aldolase, C. Pyruvate kinase, D. Phosphofructokinase
B: Aldolase
Answer: B: Aldolase 
Explanation: Aldolase is the enzyme which catalyses reversible reaction of glycolysis. So this enzyme is utilised in gluconeogenesis. Glucokinase, pyruvate kinase and phosphofructokinase are enzymes which catalyse the reversible reaction of glycolysis.