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- 1. Multiple ChoiceMovement of molecules from an area of high concentration to an area of low concentration isdiffusionpassive transportosmosisall of the above
- 2. Multiple Choice
If a red blood cell is put in distilled water, what will most likely happen to the cell?
Nothing will happen
It will shrivel.
It will burst and then shrivel up
It will swell and burst
- 3. Multiple Choice
What does semi-permeable mean?
Some molecules can move through the membrane
Nothing can move through the membrane
All molecules can pass through the membrane.
- 4. Multiple ChoiceWhat is equilibrium?When concentrations cannot be balanced between two substancesWhen concentrations are balanced between two substancesMaking the energy in the top half of your body equal the the energy in the bottom halfConcentrations do not exist
- 5. Multiple Choice
Which diagram best shows the end result of diffusion?FGHJ - 6. Multiple Choice
In a "high concentration," molecules
are spread out
are tightly packed together
are uncrowded
are unevenly dispersed
- 7. Multiple ChoiceWhich type of transport requires an input of energy?Passive TransportOsmosisSimple DiffusionActive Transport
- 8. Multiple Choice
Movement of molecules through the cell membrane from high to low concentration
passive transport
active transport
- 9. Multiple ChoiceActive transport moves substances against a concentration gradienttruefalse
- 10. Multiple Choice
An example of a substance that requires active transport to enter or leave a cell is
protein
water
oxygen
carbon dioxide
- 11. Multiple ChoiceWhich form of active transport is being shown?PinocytosisEndocytosisExocytosisOsmosis
- 12. Multiple Choice
When cells take in food molecules through active transport, what is it called?
diffusion
phagocytosis
exocytosis
osmosis
- 13. Multiple ChoiceWhich is NOT a form of active transport?EndocytosisOsmosisExocytosisPinocytosis
- 14. Multiple ChoiceWhat is the difference between active and passive transport?Active does not need energy and passive uses ATP (energy)Active uses ATP (energy) and passive does not need energyActive stores transport proteins and passive releasesActive uses hormones and passive does not
- 15. Multiple ChoiceWhen cells form a vesicle to release materials, which form of transport is occurring?EndocytosisExocytosisFacilitated DiffusionOsmosis
- 16. Multiple ChoiceHuman immune cells can engulf bacteria to destroy them. This is an example ofpinocytosisphagocytosisexocytosisacidosis
- 17. Multiple ChoiceMaterials that can move across a membrane with passive transport includewater, oxygen, and carbon dioxidestarch and other polysaccharidesDNA and RNAlarge proteins
- 18. Multiple ChoiceWhen the concentration of solute molecules outside the cell is equal to the concentration inside the cell, the solution ishypertonichypotonicisotonicionic
- 19. Multiple ChoiceWhat happens to a cell placed in a HYPOTONIC solution?It shrinksIt swellsNothing Happens
- 20. Multiple ChoiceWhat happens to a cell placed in a HYPERTONIC solutionIt shrinksIt swellsNothing happens
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