the first-order rate constants for endocytosis ( 0.16 +/- 0.02 min-1 ) and exocytosis ( 0.056 +/- 0.003 min-1 ) were found to be significantly lower for control cells than the corresponding rate constants for endocytosis ( 0.22 +/- 0.02 min-1 ) and exocytosis ( 0.065 +/- 0.004 min-1 ) measured for cells incubated with 1 microm-diferric transferrin ( mean +/- s.d. , n = 3 ) .
C0015283
exocytosis
C0007634
cells