A cell whose internal salt concentration is 0.3 per liter is placed in a solution having salt concentration 0.5 per liter. The solution is:
Correct answer: C. Hypertonic to cell
- A. Isotonic to the cell
- B. Hypotonic to the cell
- C. Hypertonic to cell
- D. None of these
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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