Term
|
Definition
| the transport of dissolved substances into cells |
|
|
Term
|
Definition
| the breakdown of absorbed substances |
|
|
Term
|
Definition
| the breakdown of food molecules with a release of energy |
|
|
Term
|
Definition
| the removal of soluble waste materials |
|
|
Term
|
Definition
| the removal of nonsoluble waste materials |
|
|
Term
|
Definition
| the release of biosynthesized substances |
|
|
Term
|
Definition
| maintaining the status quo |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| a rigid structure on the outside of certain cells, usually plant and bacteria cells |
|
|
Term
|
Definition
| the thin film between the cell walls of adjacent plant cells |
|
|
Term
|
Definition
| the semipermeable membrane between the cell contents and either the cell wall or the cell's surroundings |
|
|
Term
|
Definition
| a jellylike fluid inside the cell in which the organelles are suspended |
|
|
Term
|
Definition
| substances in which at least one atom has an imbalance of protons and electrons |
|
|
Term
|
Definition
| the motion of cytoplasm in a cell that results in a coordinated movement of the cell's contents |
|
|
Term
|
Definition
| the organelles in which nutrients are converted to energy |
|
|
Term
|
Definition
| the organelle in animal cells responsible for hydrolysis reactions that break down proteins, polysaccharides, and some lipids |
|
|
Term
|
Definition
| non-membrane-bounded organelles responsible for protein synthesis |
|
|
Term
|
Definition
| an organelle composed of an extensive network of folded membranes that performs several tasks within a cell |
|
|
Term
|
Definition
| ER that is dotted with ribosomes |
|
|
Term
|
Definition
|
|
Term
|
Definition
| organelles that store starches or oils |
|
|
Term
|
Definition
| organelles that contain pigments used in photosynthesis |
|
|
Term
|
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 |
|
|
Term
|
Definition
| a vacuole that contains the waste products of digestion |
|
|
Term
|
Definition
| the process by which a cell engulfs foreign substances or other cells |
|
|
Term
|
Definition
| a vacuole that holds the matter which a cell engulfs |
|
|
Term
|
Definition
| vesicle formed at the plasma membrane to allow the absorption of large molecules |
|
|
Term
|
Definition
| vesicle that holds secretion products so that they can be transported to the plasma membrane and released |
|
|
Term
|
Definition
| the organelles where proteins and lipids are stored and then modified to suit the needs of the cell |
|
|
Term
|
Definition
| spiral strands of protein molecules that form a tubelike structure |
|
|
Term
|
Definition
| a highly-porous membrane that separates the nucleus from the cytoplasm |
|
|
Term
|
Definition
| clusters of DNA, RNA, and proteins in the nucleus of a cell |
|
|
Term
|
Definition
| a network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement |
|
|
Term
|
Definition
| fine, threadlike proteins found in the cell's cytoskeleton |
|
|
Term
|
Definition
| threadlike proteins in the cell's cytoskeleton that are roughly twice as thick as microfilaments |
|
|
Term
|
Definition
| a lipid in which one of the fatty acid molecules has been replaced by a molecule that has a phosphate group |
|
|
Term
|
Definition
| a lipid in which one of the fatty acid molecules has been replaced by a molecule that has a phosphate group |
|
|
Term
|
Definition
| movement of molecules through the plasma membrane according to the dictates of osmosis or diffusion |
|
|
Term
|
Definition
| movement of molecules through the plasma membrane according to the dictates of osmosis or diffusion |
|
|
Term
|
Definition
| movement of molecules through the plasma membrane (usually against osmosis/diffusion) aided by a process that requires energy |
|
|
Term
|
Definition
| movement of molecules through the plasma membrane (usually against osmosis/diffusion) aided by a process that requires energy |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is essentially equal to that of the cell in it |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is essentially equal to that of the cell in it |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is greater than that of the cell in it |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is greater than that of the cell in it |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is less than that of the cell in it |
|
|
Term
|
Definition
| a solution in which the concentration of solutes is less than that of the cell in it |
|
|
Term
|
Definition
| collapse of a walled cell's cytoplasm due to lack of water |
|
|
Term
|
Definition
| collapse of a walled cell's cytoplasm due to lack of water |
|
|
Term
|
Definition
| the rupturing of a cell due to excess internal pressure |
|
|
Term
|
Definition
| the rupturing of a cell due to excess internal pressure |
|
|
Term
|
Definition
| energy necessary to get a chemical reaction going |
|
|
Term
|
Definition
| energy necessary to get a chemical reaction going |
|
|
