A tissue composed of plasmolysed plant cells was put into distilled water. The graph shows how the mean cell volume changes with time.
What is the cause of the plateau at X?
1 water potential in the plant cell has become more negative
2 cells have become fully turgid
3 no net movement of water into cells
1 )
1, 2 and 3
2 )
1 and 2 only
3 )
1 and 3 only
2 and 3 only
