when the transport of labeled ion to the vacuole is studied by wash-exchanging the bulk of the cytoplasmic label following the absorption period , it is noted that in the range of system 1 , isotope influx to the vacuole increases with time as the concentration of labeled ions in the cytoplasm increases , while in the range of system 2 , influx to the vacuole is constant from the beginning .
C0010834
cytoplasm
C0042219
vacuole