Cells in a hypertonic solution tend to:
shrink due to water loss
swell due to water gain
stay the same size due to water moving into and out of the cell at the same rate
none of the above

Shrink due to water loss

Explanation:

A hypertonic solution has more osmolarity than the cell. This causes the water inside the cell to go out since the osmolarities tend to equalize. And the cell does not allow the passage of other substances except water. Therefore the water will come out and the cell will shrink.  

In a hypotonic solution, the water will enter into the cell and in an isotonic solution the water will be moving into and out of the cell at the same rate.

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colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.