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6 Cards in this Set
- Front
- Back
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Plasma membrane\cell membrane |
The outer boundary of a cell |
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Physical isolation of a cell\plasma membrane |
Separate the inside of the cell from the surrounding extracellular fluid |
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Why must the different conditions inside and outside the cell be maintained? |
To preserve homeostasis |
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How does the cell membrane regulate exchange with the environment? |
It controls the entry of ions and nutrients, the elimination of waste, and the release of secretions. |
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How does the cell membrane function in the sensitivity to the environment? |
Contains a variety of receptors that allow the cell to recognize and respond to specific molecules in its environment. |
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Give an example of how cell membranes provide structural support. |
Cells at surface of skin are tightly bound together while those in the deepest layer are attached to extracellular protein fibers in underlying tissues. Gives tissues stability. |
