Term
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Definition
| The transport of dissolved substances into cells |
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Term
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Definition
| The breakdown of absorbed substances |
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Term
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Definition
| The breakdown of food molecules with a release of energy |
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Term
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Definition
| The removal of soluble waste materials |
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Term
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Definition
| The removal of nonsoluble waste materials |
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Term
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Definition
| The release of biosynthesized substances |
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Term
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Definition
| Maintaining the status quo |
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Definition
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Term
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Definition
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Term
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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 thin film between the cell walls of adjacent plant cells |
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Term
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Definition
| The semipermeable membrane between the cell contents and either the cell wall or the cell's 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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Term
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Definition
| Substances in which at least one atom has an imbalance of protons and electrons |
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Term
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Definition
| The motion of cytoplasm in a cell that results in a coordinated movement of the cell's contents |
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Term
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Definition
| The organelles in which nutrients are converted to energy |
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Term
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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
| Non-membrane-bounded organelles responsible for protein synthesis |
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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 a cell |
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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
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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
| Organelles that store starches or oils |
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Term
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Definition
| Organelles that contain pigments used in photoshynthesis |
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Term
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Definition
| A large vacuole that rests at the center of most plant cells and is filled with a solution that contains a high concentration of solutes |
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Term
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Definition
| Vacuoles that contain the waste products of digestion |
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Term
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Definition
| The process by which a cell engulfs foreign substances or other cells |
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Term
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Definition
| A vacuole that holds the matter which a cell engulfs |
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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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Term
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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
| Spiral strands of protein molecules that form a tubelike structure |
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Term
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Definition
| A highly-porous membrane that separates the nucleus from the cytoplasm |
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Term
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Definition
| Clusters of DNA, RNA, and proteins in the nucleus of a cell |
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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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Term
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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 through the plasma membrane according to the dictates of osmosis or diffusion |
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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 concentration 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 a lack of water |
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Term
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Definition
| The rupturing of a 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 than that of the cell that resides in the solution |
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Term
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Definition
| Energy necessary to get a chemical reaction going |
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