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
Type of collagen found in basement membrane is ? 
Select and explain. 
A. Type I, B. Type II, C. Type III, D. Type IV
D: Type IV
Answer: D: Type IV 
Explanation: Ans. is `d i.e., Type IVTypes of collagen There are at least 28 distinct types of collagen made up of over 30 distinct polypeptide chains Type I is the most abundant collagen. The impoant ones are :?Type of collagen DistributionType] Skin, tendon, bone, corneaType 11 Aicular cailage, interveebral disc, Vitreous humorType III Fetal skin, cardiovascular systam, lung, reticular fiberType IV Basement membraneTypeV Placenta, skin