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× D PortalGuard Single Sign x/@Quz. StudyGuide 3 The x ture.com/courses/10861/quizzes/33633/take Transport process that re × The normal osmolarity of body fluids intracellular and extracellular) about 300 mOsM Term for the pressure that needs to be : applied to a solution to prevent osmosis - that is, stops the net flow of water across a semipermeable membrane. Choose) Transport process that requires the direct hydrolysis of ATP for the function of the transport proteins. selectively permeable Transport process where the energy needed for the "uphill" movement of a molecule or ion against its concentration gradient is obtained from the "downhill" diffusion or transport of Na+ into the cell. - ATP is not directly involved. Choose ] Term that describes the plasma membrane as permeable to some substances, but not others, only allowing certain substances to pass into or out of the cell. Choose l

Explanation / Answer

1. The normal osmolarity of body fluids is 285-295 mOsm/L

2. Osmotic pressure: Pressure that need to be applied to a pure solvent to prevent its osmosis.

3. Active transport requires ATP and carrier proteins.

4. Facilitated diffusion

5. Selective permeability

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