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Test Tube

May 12th, 2010 No comments

Test Tube
A human red blood cell (300 m0sm) is placed into a test tube containing a solution which is 250 mOsm in?

A human red blood cell (300 m0sm) is placed into a test tube containing a solution which is 250 mOsm in concentration. Assume all solutes in the solution are non-penetrating.

Is the solution in the test tube hypertonic, hypotonic, or isotonic with respect to the inside of the erythrocyte?

Hypotonic. It is less concentrated than the solution in the red blood cell.
Doc. Dan.

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