| 11. | This force may consist of electric, pressure gradient, concentration gradient, gravity.
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| 12. | Due to a concentration gradient of the ions, mass transport must take place.
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| 13. | Oxygen then moves by diffusion, down the concentration gradient, into the blood.
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| 14. | Those concentration gradients are crucial for cellular function.
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| 15. | It involves evening out a concentration gradient and evenly distributing the solute within the solvent.
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| 16. | This countercurrent maintains a steep concentration gradient.
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| 17. | These concentration gradients provide the potential energy to drive the formation of the membrane potential.
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| 18. | Intercellular fluid becomes hypotonic, water moves down its concentration gradient out of the cell.
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| 19. | The concentration gradient now favors diffusion out of the bag into the hot cell environment.
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| 20. | It spreads from a localized source and forms a concentration gradient across a developing tissue.
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