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Tito Orn

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Describe how cells communicate with each other using messenger molecules.

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State two functions of proteins in cell membranes.

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Danial Kunze

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Explain why the plasma membrane can be described as having a fluid mosaic structure.

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Give three molecules that are present in animal cell membranes.

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Give two functions of membranes at the cell surface and two functions of membranes within cells.

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