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- Why does a red blood cell plasma membrane need transmembrane proteins?Relative to a surrounding hypertonic solution, the cytosol of a red blood cell is ______________.In the following diagram, identify the type of solution (hypertonic, hypotonic, or isotonic) in which each red blood cell is immersed.
- Label the nucleus, cytoplasm, and cell membrane of the following pictures. The red one is the human red blood cell under HPO, while the orange one is the toad red blood cell. Describe each cell and compare the two.Which of the following occurs when red blood cells are transferred from an isotonic solution to a hypertonic solution?If you made a hematocrit in two tubes. Tube A is made of 0.60M NaCl, and Tube B is made of 1.00M of NaCl, describe how the cell would respond in these solutions? Which tube would have a lower hematocrit?
- What is the significance of the red blood cell being anucleate (without a nucleus)? Did it ever have a nucleus? (use an appropriate reference.) _______ If so, when?Intravenous solutions must be prepared so that they are isotonic to red blood cells. A 0.9% salt solution is isotonic. What will happen to a red blood cell placed in a 0.6% salt solution?Marco is given an immortal cell line of epithelial cells to dilute. The initial concentration is 12.5 million cells. If he does four 1:10 serial dilutions, what will be the concentration of the last serial dilution?
- "Like the lumen of the ER, the interior of the nucleus is topologically equivalent to the outside of the cell" is true or false.Which of the following proteins serves a structural function (not an enzymatic function)? chymotrypsin thrombin elastase collagen trypsinExplain what would happen to a red blood cell that is placed in the following solutions: a) Hypertonic solution b) Isotonic solution c) Hypotonic solution