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9 Cards in this Set
- Front
- Back
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Permeable membrane |
Cells have permeable membrane that regulate what goes into or out of the cell |
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Passive Transport |
the movement of substances through a cell membrane without the input of energy |
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What is Diffusion and Equilibrium? |
Diffusion is when molecules move away from areas where there are more of them into areas where there are fewer of them it then stops and when the molecules of one substance is spread evenly throughout another substance Equilibrium occurs |
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Osmosis |
The diffusion of water through a cell membrane |
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Facilitated diffusion |
In facilitated diffusion Transport Proteins move substances into and out of the cell |
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What does Active Transport need to move a substance into and out of the cell |
Energy |
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Endocytosis |
The process in which a substance is taken into a cell by surrounding it with the cell membrane forming a sphere called a vesicle |
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Exocytosis |
Process in which the membrane of a vesicle fuses with the cell's membrane and the vesicle's contents are released outside the cell |
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What needs to be transported through your cells membranes? |
Nutrients from food, oxygen and water need to be transported into a cell. Wastes and carbon dioxide need to be transported outside of the cell. |
