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An animal like salmon that can survive large fluctuations in external osmolarity is called (?????).
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- Renal tubule cells in the kidney medulla are constantly exposed to high extracellular osmolirity. How do they maintain normal cell volume?The osmolarity of plasma is maintained at about 300 mOsM. What would the osmolarity inside a red blood cell need to be to maintain osmotic equilibrium between the intracellular fluid and plasma? Give one specific reason why it is important to maintain plasma omolarity within a narrow range of values.The osmolarity of a solution of 100 mM CaCh, is closest to the osmolarity of which of the following solutions? a. 50 mM NaCI b. 100 mM glucose c. 150 mM urea d. 150 mM NaCI e. 75 mM NaCI + 100 mM KCI