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cell interior
surrounded by a wall made of carbohydrates and proteins and a membrane made largely of phospholipids |
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| a protein that plays a role in the active or passive movement of specific substances through cell membranes |
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| membranes regulate the exchange of materials in a very specific way. |
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a protein linked to a sugar or polysaccharide; component of receptor molecules on the outer surface of cells.
act as an antennae that receive chemical messages from other cells. |
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a lipid covalently linked to a sugar or polysaccharide; an important part of animal cell membranes.
membrane lipids.
act as an antennae that receive chemical messages from other cells. |
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| refers to the movement of molecules from an area of higher concentration to an area of lower concentration. |
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| a difference in the concentration of a substance over a distance. |
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| is responsible for the movement of water across membranes. |
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| the outward pressure of a cell against its cell wall |
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