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Enzyme: Transform a molecule into another form
Transporter: Movement of molecules
Cell surface receptor: Embedded and allow communication
Identity maker: Whats it made of
Cell adhesion: Cell interacts and attaches with the neighboring cell
Attachment to cytoskeleton: network of inter linkage of proteins.

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1. Transport important molecules in & out of the cell.
2. Helps with enzyme activity
3. Cell surface receptor
4. Cell to cell communication and recognition
5. Cell adhesion to stick together to make tissues
6. Attaches to the cytoskeleton to help with cell movement

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It is a phospholid bilayer held by weak phobic interactions that make membrane fluid.

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Small hydrophobic molecules like Oxygen and carbon dioxide. (small polar molecules)

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1. allows certain molecules to pass through and prevents others from doing so
2. intercellular junctions
3. cell to cell communication
4. Protects the cell by acting as a barrier
5. Controls metabolic processes
6. Signal receptors

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It is called a fluid mosaic model because the molecules in the membrane are held together by weak interactions making it fluid and there are many different types of proteins, carbohydrates and lipids embedded in it.(mosaic)

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The plasma membrane is called the fluid mosaic model because it is held together by weak phobic interactions allowing components to move laterally

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non polar molecules because they have no charge, and ions and big molecules that have charges typically cannot

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Small nonpolar molecules like oxygen and carbon dioxide pass through the membrane easily

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Small, nonpolar molecules and gases such as oxygen and carbon dioxide

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Ions and large polar molecules don't pass through the membrane easily because the membrane is selectively permeable.

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Large, polar molecules and ions can't pass through easily

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transport: movement of chemicals into or around the cell
enzymatic activity: a protein built into the membrane with active site exposed
signal transduction: A mechanism linking a mechanical or chemical stimulus to a celluar response
cell-cell reduction:some glcyproteins serve as idefication tags that are specifically recognize by other cells
intercelluar joining : membrane proteins of adjacent cells hook together to form various junctions
attachment to the cytoskeleton and extracellular matrix : helps mantain cell shape and stablizes the location of certain proteins