This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
Micelles are formed by 
Select and explain. 
A. Triacylglycerol in polar solvent, B. Amphipathic lipids in water, C. Triacyl glycerol in gut, D. Cholesterol esters
B: Amphipathic lipids in water
Answer: B: Amphipathic lipids in water 
Explanation: Bile salts help in the absorption of Fatty acidsMonoglycerides CholesterolOther lipids from the intestinal tractThey do this by forming very small physical complexes with these lipids; the complexes are called micelles. As amphipathic molecules with hydrophobic and hydrophilic regions, conjugated bile salts sit at the lipid/water interface and, at the right concentration, form micelles. Ref:Guyton ,11e,pg no:840