This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Growth factor oncogen is - \nSelect and explain. \nA. myc, B. fos, C. sis, D. jun', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Harshmohan textbook of pathology 7th edition. growth factor oncogene 1. SIS - PDGF beta 2. RAS - TGF alpha 3. HST 1, INT 2- FGF 4.HGF- c MET. MYC proto oncogene produces nuclear transcription factor. .', 'role': 'assistant'}]