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RChapter 4 Section 2
| Question | Answer |
|---|---|
| Plasma Membrane | A phospholipid layer that covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment |
| Cytoplasm | The region of the cell within the membrane that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus |
| Cytosol | The soluble portion of the cytoplasm, which includes molecules and small particles, such as ribosomes, but not the organelles covered with membranes |
| Nucleus | In physical science, 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 a 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 |
Created by:
brinkmanr15
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