Term
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Definition
| This term describes a property of the cell membrane because it explains that some substances can pass through, but others cannot. |
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Term
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Definition
| Describes when molecules move across a cell membrane from an area of high to low concentration. |
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Term
carrier proteins
channel proteins |
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Definition
| What are two types of transport proteins? |
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Term
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Definition
| Movement of materials across a cell membrance that does NOT require energy. |
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Term
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Definition
| Movement of molecules across a cell membrane USING cellular energy because the molecules are moving from an area of low concentration to an area of high concentration. |
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Term
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Definition
| Process in which a cell takes in a substance by surrounding it with the cell membrane. |
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Term
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Definition
| What are two types if Passive transport? |
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Term
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Definition
| The diffusion of water molecules. |
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Term
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Definition
| Facilitated diffucion id when molecules pass though a cell membrance using special proteins called: |
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Term
| From high concentration to low concentration |
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Definition
| How do molecules move in passive transport? |
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Term
| From low concentration to high concentration |
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Definition
| How do molecules move in active transport? |
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Term
spraying air freshener
a scented candle
food coloring in water |
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Definition
| What are examples of diffusion? |
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