This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
[{'content': 'Major type of collagen in basement membrane: \nSelect and explain. \nA. Type I, B. Type II, C. Type III, D. Type IV', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Type IVKey points distribution of collagenType of collagen present in the noncartilaginous connective tissue, like bone, tendon: Type IType of collagen present in the Cartilage: Type IIType of collagen present in the vitreous humour: Type IIType of collagen present in the basement membrane: Mainly Type IV (rarely Type XIX)Type of collagen present in the dermal epidermal junction: Type VIIType of collagen present in the extensible connective tissue like skin, lung, vascular system: Type IIIType of collagen present in the hypertrophic cartilage: Type XType of collagen present in the skin hemidesmosomes: Type XVIIType of collagen present in the rhabdomyosarcoma cell: Type XIXType of collagen present in the brain: Type XXVType of collagen present in the testis and ovary: Type XXVI', 'role': 'assistant'}]