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Definition
| The transport of dissolved 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 nonsoluble waste materials |
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Term
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Definition
The release of biosynthesized substances
(biosynthesis found in module 5) |
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Term
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Definition
Maintaining the status quo.
Everything running smoothly |
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Definition
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Definition
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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 film between the cell walls of adjacent plant cells.
(adjacent = lying near or joined) |
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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. (if it doesn't have a cell wall)
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Definition
| A jelly like fluid inside the cell in which 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 o 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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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 extensive network of folded membranes that perform several tasks within a cell. |
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Term
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Definition
| ER (endoplasmic reticulum) that is dotted with ribosomes. |
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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.
(looks like a stack of pancakes) |
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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 photosynthesis. |
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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 portein 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 difussion. |
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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 required 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 that 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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