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Definition
| The transport of disolved substances into cells. |
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Definition
| The breakdown of absorbed substances. |
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Definition
| The breakdown of food molecules with a release of energy. |
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Definition
| The removal of soluble waste materials. |
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Definition
| The removal of non-soluble waste materials. |
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Definition
| The release of biosynthesized substances. |
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Definition
| Maintaining the status quo |
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Definition
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Definition
| The thin film between the cell walls of adjacent plant cells. |
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Definition
| A rigid structure on the outside of certain cells, usually plant and bacteria cells. |
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Term
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Definition
| The semipremeable membrane between the cell contents and either the cell wall or the cells surroundings. |
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Term
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Definition
| A jellylike fluid inside the cell in which the organelles are suspended. |
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Definition
| The motion of cytoplasm in cell that results in a cordinated movement of the cell's contents. |
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Definition
| Substances in which at least one atom has an inbalance of protons and electrons. |
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Definition
| The organelles in which nutrients are converted to energy. |
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Term
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Definition
| A vacoule that holds the matter which a cell engulfs. |
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Definition
| Teh process by which a cell engulfs foreign substances or other cells. |
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Definition
| Vacuoles that contain the waste products of digestion. |
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Term
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Definition
| A large vacuole that rests at the center of most plants cells and is filled with a solution that contains a high concentration of solutes. |
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Definition
| Organelles that contain pigments used in photosynthesis. |
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Term
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Definition
| Organelles that store starches or oils. |
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Term
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Definition
| ER that has no ribosomes. |
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Term
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Definition
| ER that is dotted with ribosomes. |
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Term
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Definition
| An organelle composed of an extensive network of folded membranes that performs several tasks within the cell. |
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Term
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Definition
| Non-membrane-bounded organelles repsonsible for protein synthesis. |
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Definition
| The organelle in animal cells responsible for hydrolysis reactions that break down proteins, polysaccharides, disaccharides, and some lipids. |
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Term
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Definition
| Vesicle formed at the plasma membrane to allow the absorption of large molecules. |
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Definition
| Vesicle that holds secretion products so that they can be transported to the plasma membrane and released. |
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Term
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Definition
| The organelles where proteins and lipids are stored and then modified to suit the needs of the cell. |
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Term
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Definition
| Spiral strands of protein molecules that form a tube like structure. |
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Term
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Definition
| Clusters of DNA, RNA, and proteins in the nucleus of the cell. |
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Term
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Definition
| A highly porous membrane that seperates the nucleus from the cytoplasm. |
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Term
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Definition
| A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement. |
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Term
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Definition
| Fine, threadlike proteins found in the cell's cytoskeleton. |
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Term
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Definition
| Threadlike proteins in the cell's cytoskeleton that are roughly twice as thick as microfilaments. |
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Definition
| Energy necessary to get a chemical reaction going. |
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Definition
| A lipid in which one of the fatty acid molecules has been replaced by a molecule that contains a phosphate group. |
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Term
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Definition
| Movement of molecules throught the plasma membrane. |
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Term
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Definition
| Movement of molecules through the plasma membrane(typically opposite the dictates of osmosis or diffusion) aided by a process that requires energy. |
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Term
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Definition
| A solution in which the concentration of solutes is essentially equal to that of the cell which resides in the solution. |
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Term
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Definition
| A solution in which the concentrate of solutes is greater than that of the cell that resides in the solution. |
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Term
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Definition
| Collapse of a walled cell's cytoplasm due to lack of water. |
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Term
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Definition
| The rupturing of the cell due to excess internal pressure. |
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Term
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Definition
| A solution in which the concentration of solutes is less that that of the cell that resides in the solution. |
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