metabolic labeling of cells with [ 35s ] -methionine followed by single-spin density gradient flotation of the media demonstrated that apolipoproteins were being secreted in the form of lipoprotein particles with buoyant densities corresponding to the very low density lipoprotein and low density lipoprotein range , and to the high density lipoprotein range .
C0023820
lipoprotein
C0023825
very low