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- 1. Multiple ChoiceIn the lungs, the movement of carbon dioxide out of cells and oxygen into cells can best be explained by which of the following processes?active transportdiffusionendocytosisosmosis
- 2. Multiple ChoiceWhich of the following statements concerning diffusion and active transport is correct?both diffusion and active transport require cell energy.neither diffusion nor active transport requires cell energy.diffusion requires cell energy while active transport does not.active transport requires cell energy while diffusion does not.
- 3. Multiple ChoiceThe process in which the movement of materials across a membrane requires energy ispassive transportdiffusionactive transportfacilitated diffusion
- 4. Multiple ChoiceProcess that moves any material from high concentrations to low concentrations is calleddiffusionactive transportendocytosisosmosis
- 5. Multiple ChoiceProcess in which liquids from the surrounding area are taken into the cell is calledphagocytosispinocytosisexocytosispassive transport
- 6. Multiple ChoiceA solution that has a greater concentration than a cell it would be a ____ solution.IsotonicHypertonicHypotonicHeterogeneous
- 7. Multiple ChoiceWhat kind of material is transported through osmosis?carbonwaterhydrogen ionssuagr
- 8. Multiple ChoiceHow do substances move into or out of the cell through endocytosis?Substances are engulfed by vesicle, which crosses membrane.Substances are engulfed by cell's plasma membrane and brought into the cell in a vesicle.Substances are engulfed by cell's plasma membrane to form a channel into the cell.Substances cross the cell membrane through protein channels.
- 9. Multiple ChoiceAll of the following are types of passive transport exceptdiffusionfacilitated diffusionendocytosisosmosis
- 10. Multiple ChoiceWhat is the role of ATP in the process of active transport?It lengthens the fatty acid chains in the membrane.It weakens the membrane, allowing molecules to pass through more easily.It provides the energy to transport the cell in its environmentIt provides the energy that cells need to move molecules against a concentration gradient
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