A tuber from a potato plant was cut into pieces of identical length. The pieces of potato were placed in four different solutions for three hours.
1- pure water
2-a sugar solution that is less concentrated than the potato cell contents
3-a sugar solution that is more concentrated than the potato cell contents
4- a sugar solution that is the same concentration as the potato cell contents
Which solutions will cause the pieces of potato to change in length?
1 )
1, 2, 3 and 4
1, 2 and 3 only
3 )
1 and 4 only
4 )
2 and 3 only
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