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
Which has least density ? 
Select and explain. 
A. LDL, B. Chylomicrons, C. HDL, D. VLDL
B: Chylomicrons
Answer: B: Chylomicrons 
Explanation: Ans. is 'b' i.e., Chylomicrons HDL :- Has maximum electrophoretic mobility, has maximum density, has minimum lipid content, has maximum protein (apoprotein) content, are smallest in size, has maximum phospholipid, has minimum triglycerides.Chylomicrons :- Have no electrophoretic mobility, have minimum density, have maximum lipid content, have minimum protein content, are largest in size, have minimum phospholipids, have maximum triglycerides.