a plasma membrane fraction ( m ) was isolated from ascites cells of mouse ta3-ha mammary carcinoma by the procedure of brunette and till [ j. membr . biol. , 5 ( 1971 ) 215 ] , involving homogenization , slow-speed centrifugation , and finally , differential centrifugation in a two-phase system .
C0007603
plasma membrane
C0007634
cells