The image on the left shows a normal red blood cell, and the image on the right shows a cell that has been put into a new solution. the circles represent the salt in the solutions.

which statement describes the motion of the water molecules in this situation?

the water molecules move by active transport into the cell from low water concentration to high water concentration.
the water molecules move by osmosis into the cell from low water concentration to high water concentration.
the water molecules move by osmosis into the cell from high water concentration to low water concentration.
the water molecules move by active transport into the cell from high water concentration to low water concentration.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

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