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Biology: Chapter 4.2
Chapter 4.2 Vocabulary
| Term | Definition |
|---|---|
| Plasma Membrane | a cells' outer boundary |
| Cytoplasm | the region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus |
| Cytosol | the part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles |
| Nucleus | membrane-bound organelle that contains the cells' DNA |
| Prokaryote | organisms that lack a membrane-bound nucleus and membrane-bound organelles |
| Eukaryote | organisms made up of one or more cells that have a nucleus and membrane-bound organelles |
| Organelle | well-defined, intracellular bodies that perform specific functions for the cell |
| Tissue | a group of similar cells and their products that carry out a specific function |
| Organ | groups of tissue that perform a particular job in an organism |
| Organ System | a group of organs that accomplish related tasks |