This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Insulin-like Growth factor II plays an impoant role in \nSelect and explain. \nA. Control of metablism, B. Skeletal growth, C. Cailage growth, D. Devolopment of foetus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The insulin-like growth factor II (IGF-II) internal ribosome entry site IRES is found in the 5&; UTR of IGF-II leader 2 mRNA. This RNA element allows cap-independent translation of the mRNA and it is thought that this family may facilitate a continuous IGF-II production in rapidly dividing cells during development.Ref: Ganong&;s review of medical physiology; 24th edition', 'role': 'assistant'}]