<prompt> Which of the following has highest electrophoretic mobility and least lipid content?ChylomicronsHDLLDLVLDL  <response>: Ans. B. HDLRef: Harper 31e page 237, Table 25-1HDLAlpha lipoproteinLeast diameterMaximum electrophoretic mobility.Maximum protein content.Least lipid contentCarry cholesterol from peripheral tissues to liver and other steroidogenic tissuesThis is called reverse cholesterol transportThis makes HDL cholesterol the good cholesterolThe major role of HDL is to acts as the repository for apo C and apo E required for the metabolism of VLDL and chylomicron. 