This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: HMP Shunt Pathway, Fructose, Galactose Metabolism, Subject name: Biochemistry
[{'content': 'Rate Limiting step of Pathway (Figure) is catalyzed by \nSelect and explain. \nA. Glucose-6-phosphatase dehydrogenase, B. Gluconolactone hydrolase, C. 6-phospho-gluconate dehydrogenase, D. Transketolase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Glucose-6-phosphatase dehydrogenase (Pathway shown: Pentose Phosphate pathway/ Hexose monophosphate shunt pathway)', 'role': 'assistant'}]