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: Physiology
[{'content': 'True about fatty acid synthesis \nSelect and explain. \nA. Occurs in mitochondria, B. Occurs in cytosol, C. Occurs in endoplasmic reticulum, D. Occurs in ribosomes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Reactions that take place in \nMitochondrion\n\nTCA cycle/ Citric acid cycle\nBeta oxidation of fatty acids\nKetogenesis\nRespiratory chain\nPart of Gluconeogenesis & Urea cycle\n\n\xa0Cytosol\n\nGlycolysis/EMP \nPentose phosphate pathway\nFatty acid synthesis\nPart of Gluconeogenesis & Urea cycle\nGlycogenolysis', 'role': 'assistant'}]