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Why do scientists use models?
O Models make some things easier to understand.
Measurements can be made only on models.
O Models help scientists visualize things they can't see.
Models are perfectly accurate representations of objects,
Scientists can analyze models to make predictions.
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Ответ:
Both use ion channels to move ions across the cell membrane, in or out of the cell. Differences: Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
Explanation: