plasma membranes from these cells contained an unchanged number of transporters ( 31 +/- 7 , mean +/- s.e. , versus 31 +/- 4 pmol/mg of protein in controls ) but transported glucose at a reduced rate ( 19 +/- 6 versus 48 +/- 9 pmol/mg of protein/s ) .
C0007603
plasma membranes
C0007634
cells