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Ch 4-2
vocabulary
| Question | Answer |
|---|---|
| covers a cells surface and acts as a barrier between the inside of the cell and the outside | plasma membrane |
| the region of the cell that is within the plasma membrane and includes the fluid, and cytoskeleton, and all of the organelles except the nucleus | cytoplasm |
| the part of the cytoplasm that includes molecules and small particles but not membrane bound organelles | cytosol |
| membrane bound structure that contains the cells DNA and controlls some functions in the cell and mantains the cells structure | nucleus |
| organisms that lack a membrane bound nucleus and organelles | prokaryote |
| organisms made up of one or more cells and have a nucleus and membrane bound organelles | eukaryote |
| well-defined, intracellular that preform specific functions for the cell | organelle |
| a group of similar cells and their products that carry out a perticular job in an organism | tissue |
| a grouping of tissues into a distinct structure, as a heart or kidney in animals or a leaf or stamen in plants, that performs a specialized task | organ |
| a group of organs that work together to perform a certain task | organ system |