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
[{'content': 'In which of the following steps, ATP is released? \nSelect and explain. \nA. Phosphoenol pyruvate to pyruvate, B. Glyceraldehyde-3-phosphate to 1,3 bisphosphoglycerate, C. Fructose-6-phosphate to fructose 1,6 bisphosphate, D. Glucose to glucose-6-phosphate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Steps releasing ATP at the level of substrate:\n\n1, 3 Bisphosphoglycerate to 3-Phosphoglycerate (1, 3 Bisphosphoglycerate Kinase)\nPhosphoenolpyruvate to Pyruvate\xa0(Pyruvate Kinase)\nSuccinyl CoA to Succinate (Succinate Thiokinase)', 'role': 'assistant'}]