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CHCS Life Science Chapter 4 (p50-54)

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Question
Answer
show a thin covering that forms the outer boundary of a cell  
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selectively permeable   show
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show the movement of substances through a membrane without the use of the cell's own energy; diffusion and osmosis are types of passive transport  
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show diffusion and osmosis  
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show the movement of molecules from an area of high concentration to an area of low concentration  
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osmosis   show
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Anton von Leeuwnhoek   show
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show requires the cell to use its own energy to move substances through a membrane  
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