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- 1. Multiple ChoiceOsmosis is the movement of _____ across a membrane.foodenergyoxygenwater
- 2. Multiple ChoiceWhich is true about active transport?It requires energyit does not require energyIt moves substances down the concentration gradientit moves material from high to low concentration
- 3. Multiple ChoiceThe concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...Facilitated DiffusionSimple DiffusionActive TransportOsmosis
- 4. Multiple ChoiceDue to the higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by....Facilitated DiffusionSimple DiffusionActive TransportOsmosis
- 5. Multiple ChoiceThis cell structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.vacuolenucleuscell membranecell wall
- 6. Multiple ChoicePassive transport requires noconcentration gradientsosmosismotionenergy
- 7. Multiple Choice
What type of transport is illustrated?facilitated diffusionactive transportdiffusionosmosis - 8. Multiple ChoiceWhich way would the purple molecules move through the semi permeable membrane?From the A side to the B-sideFrom the B side to the A sideNone of the purple molecules would move
- 9. Multiple ChoiceLarge molecules and ions can easily pass through the cell membrane without any helptrue- they pass right throughfalse- they need a protein channel
- 10. Multiple ChoiceThe picture is an example of...active tranportpassive transportdiffusionosmosis
- 11. Multiple ChoiceParticles too large to enter the membrane...need help from channel proteins...no energy is required.active transportpassive transportfacilitated diffusion
- 12. Multiple ChoiceThe movement of molecules against a concentration gradientsimple diffusionfacilitated diffusionactive transportosmosis
- 13. Multiple ChoiceWhich term means "water-loving"?CohesionNonpolarHydrophilicHydrophobic
- 14. Multiple ChoiceIn which beaker will water move out of the cell?leftmiddleright
- 15. Multiple ChoiceIsotonic SolutionHypertonic SolutionHypotonic SolutionFacilitated Diffusion
- 16. Multiple ChoiceIsotonic SolutionHypertonic SolutionHypotonic SolutionFaciloitated Diffusion
- 17. Multiple ChoiceIsotonic SolutionHypertonic SolutionHypotonic Solutionfacilitated Diffusion
- 18. Multiple ChoiceIsotonic SolutionHypertonic SolutionHypotonic SolutionFacilitated Diffusion
- 19. Multiple ChoiceIsotonic SolutionHypertonic SolutionHypotonic SolutionFacilitated Diffusion
- 20. Multiple ChoiceIn the given scenario what will happen to the organism: salt is poured onto eggplant.Water will move out of the eggplant cells and the cells will shrink.Water will move out of the eggplant cells and the cells will swell.Water will move into the eggplant cells and the cells will swell.
- 21. Multiple ChoiceIn the given scenario what will happen? An egg is placed in pure water for 48 hours.The egg will gain water and swell.Water will move in and out of the cell equally, and the cell with neither shrink nor swell.The egg will lose water and shrink.
- 22. Multiple ChoiceAn animal cell placed in a hypertonic (salty) solution willShrinkSwellStay the same
- 23. Multiple ChoiceThe movement of molecules against a concentration gradientsimple diffusionfacilitated diffusionactive transportosmosis
- 24. Multiple ChoiceWhat is the definition of Selective Permeability?The movement of materials across the cell membrane that requires NO ENERGY from the cell.The movement of materials through (or across) the cell membraneThe ability of the cell membrane to allow some things to pass through while preventing other things from passing through.The movement of molecules from an area of high concentration to a area of low concentration
- 25. Multiple ChoiceAn animal cell that is surrounded by fresh water will burst because the osmotic pressure causeswater to move into the cell.water to move out of the cell.solutes to move into the cell.solutes to move out of the cell.
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