A cell with fully elastic wall is placed in hypertonic solution. What will not occur?
Correct answer: C. Cytoplasm shrinks from the cell wall and undergoes plasmolysis
- A. Change in cell size and shape
- B. The whole cell will shrink
- C. Cytoplasm shrinks from the cell wall and undergoes plasmolysis
- D. Decrease in cell size
Explanation
When a cell with a fully elastic wall is placed in a hypertonic solution, the water inside the cell will move out of the cell by osmosis. This will cause the cell to shrink, but the cell wall will prevent the cell from shrinking completely. As a result, the cytoplasm will shrink from the cell wall and undergo plasmolysis.
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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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