Plasmolysis of a human red blood cell would occur if the cell were:
Correct answer: B. In a hypertonic solution
- A. In an isotonic solution
- B. In a hypertonic solution
- C. In a hypotonic solution
- D. None of the above
Explanation
Hypertonic refers to a solution with a higher concentration of solutes compared to another solution. In biological contexts, this can result in water moving out of cells, causing them to shrink or shrivel.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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Osmosis is defined as:
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The tendency of a solution to take up water when separated from pure water by a selectively permeable membrane is called: