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32 votes
32 votes
Trout live in fresh (low solute) water. How would you describe the tonicity of water they live in? compared to their cells?This is not a test question, please simplify to as simple terminology as possible.

User Axisnix
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1 Answer

23 votes
23 votes

The tonicity of a solution is related to its effect on the volume of a cell. In this case the fresh water where a trout live is a hypotonic solution. It is a solution that has lower osmotic pressure than another solution to which it is compared. It may also mean a solution that contains a lower amount of solute as compared with the solute concentration in the other solution across a semipermeable membrane.

User Akhilesh Krishnan
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