Strips of potato tuber tissue were immersed in distilled water or in sucrose solutions of different concentrations. The graph shows the percentage change in length of the strips.
Which statement explains the change that occurred in the potato strips immersed in $0.1{\text{ }}mol{\text{ }}d{m^{-3}}$ sucrose solution?
1 )
Sucrose molecules diffused into the potato cells.
2 )
Sucrose molecules were actively transported into the potato cells.
The water potential of the sucrose solution was less negative than the water potential inside the cells.
4 )
The water potential of the sucrose solution was more negative than the water potential inside the cells.
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