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Water is not moving into or out of the cell due to equilibrium
◉ An isotonic solution has the same solute concentration as the inside of the bacterial cell, meaning there is no concentration gradient for water.
◉ In this condition, water molecules still move across the membrane, but their movement is balanced in both directions, so there is no net change in volume.
◉ Because of this equilibrium, the bacterial cell maintains its normal size and does not swell (as in hypotonic solutions) or shrink (as in hypertonic solutions).
◉ This demonstrates the principle of osmotic balance, which is critical for maintaining cell stability in laboratory and clinical settings.
This question is from MICROBIOLOGY EXAM 1 which contains 62 questions.
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