sulphate uptake appears to occur via a carrier-mediated membrane transport system which conforms to michaelis-menten type saturation kinetics with a km of 3.2 x 10 ( -5 ) m and vmax of 7.9 x 10 ( -5 ) mu moles sulphate/hr/10 ( 5 ) cells .
C1519624
membrane transport
C0007634
cells