Red blood cells with an internal osmolarity of 300 mOsM NaCl…
Red blood cells with an internal osmolarity of 300 mOsM NaCl are placed in the following solutions. Designate each solution according to its tonicity, and explain what happens to the cells (expand, shrink, stay the same). In this problem urea is able to move across the membrane whereas NaCl is not. 300 mOsM NaCl 200 mOsM NaCl 300 mOsM urea 100 mOsM urea plus 200 mOsM NaCl 200 mOsM urea plus 300 mOsM NaCl 400 mOsM NaCl
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