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biologgyy
| Question | Answer |
|---|---|
| cell | basic units of life |
| cell theory | -all living things are composed of cells -cells are the basic units of structure and function in living things -new cells are produced from existing cells |
| nucleus | large membrane-enclosed structure that contains the cell's genetic material in the form of DNA |
| Eukaryotes | cells that include nuclei |
| Prokaryotes | cells that do not contain nuclei |
| organelles | little organs |
| cytoplasm | portion of the cell outside the nucleus |
| nuclear envelope | dotted with thousands of nuclear pores which allow material to move |
| chromatin | the granular material you can see in the nucleus |
| chromosomes | distinct threadlike structures |
| nucleolus | assembly of ribosomes begins |
| ribosomes | small particals of RNA and protein found throughout the cytoplasm |
| endoplasmic reticulum | site where lipid components of the cell membrane are assembled, along with proteins and other materials that are exported from the cell |
| golgi apparatus | proteins produced in the rough ER move next into an organelle |