The tendency of a solution to take up water when separated from pure water by a selectively permeable membrane is called:
Correct answer: A. Osmotic pressure
- A. Osmotic pressure
- B. Turgor pressure
- C. Diffusion pressure deficit
- D. Water potential
Explanation
Normally, the movement of water molecules from a region of their higher concentration to a region of their low concentration through a partially permeable membrane is called osmosis. If water moves by osmosis into a cell the process is called endosmosis, and if the water moves out of the cell it is called exosmosis.
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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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