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MB Chapter 4-2
Chapter 4 Section 2 Terms
| Term | Definition |
|---|---|
| plasma membrane | the cell's outer boundary |
| cytoplasm | the region of the cell that is within the plasma membrane and that includes fluid, the cytoskeleton, and all of the organelles except the nucleus |
| cytosol | membrane-bound organelles that are not part of the of the cytoplasm that includes molecules and small particles, such as ribosomes |
| nucleus | an atom's central region, which is made up of protons and neutrons |
| prokaryote | a single-celled organism that does not have a nucleus or membrane-bound organelles, examples are archaea and bacteria |
| eukaryote | an organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and mitotic cycle; eukaryotes include protists, animals, plants, and fungi but not archaea or bacteria |
| organelle | one of the small bodies that are found in the cytoplasm of a cell and that are specialized to perform a specific function |
| tissue | a group of similar cells that perform a common function |
| organ | a collection of tissues that carry out a specialized function of the body |
| organ system | a group of organs that work together to perform body functions |
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lakatosv19
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