superslygurl
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The red blood cells (RBCs) in your body contain mainly hemoglobin (Hb) which is a large protein that cannot pass through the RBC membrane. The RBC membrane is also impermeable to sucrose. If a red blood cell is placed into a sucrose solution in which the concentration of sucrose on the outside of the cell is less than the concentration of the Hb on the inside, will the RBC shrink, swell up or remain the same size?