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biology module 6
vocabulary for biology module 6 test
| Question | Answer |
|---|---|
| absorption | the transport of dissolved substances into cells |
| digestion | the breakdown of absorbed substances |
| respiration | the breakdown of food molecules with a release of energy |
| excretion | the removal of soluble waste materials |
| egestion | the removal of nonsoluble waste materials |
| secretion | the release of biosynthesized substances |
| homeostasis | maintaining the status quo |
| reproduction | producing more cells |
| cytology | the study of cells |
| cell wall | a rigid structure on the outside of certain cells, usually plant and bacteria cells |
| middle lamella | the thin film between the cell walls of adjacent plant cells |
| plasma membrane | the semipermeable membrane between the cell contents and either the cell wall or the cell's surroundings |
| cytoplasm | a jellylike fluid inside the cell in which the organelles are suspended |
| ions | substances in which at least one atom has an imbalance of protons and electrons |
| cytoplasmic streaming | the motion of cytoplasm in a cell that results in a coordinated movement of the cell's contents |
| mitochondria | the organelles in which nutrients are converted to energy |
| lysosome | the organelle in animal cells responsible for hydrolysis reactions that break down proteins, polysaccharides, disaccharides, and some lipids. |