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chapter 5 notecards
| Question | Answer |
|---|---|
| what is the basic unit of structure and function in all living things | cells |
| understanding that all living things are composed of cells and that all cells come from preexisting cells | cell theory |
| cell structure that regulates the passage of materials between the cell and its environment: aids the protection and support of the cell | cell membrane |
| cell structure that surrounds the cell membrane for protection and support in plants, algae, and some bacteria | cell wall |
| in atoms, the center, which contains neutrons and protons and accounts for 99.9 percent of the atom's mass: in cells: the organelle that controls the cell's activities and contains DNA | nucleus |
| single celled organism who's cells do not have a nucleus | prokaryote |
| organism made up of cells that have a nucleus | eukaryote |
| membrane that surrounds the nucleus of the cells | nuclear envelope |
| threadlike structure in a cell that contains the genetic information that is passed on from one generation of cells to the next | chromosomes |
| area between the nucleus and cell membrane of a cell | cytoplasm |
| a tiny structure that performs a specialized function in the cell | organelle |
| organelle that changes chemical energy stored in food into compounds that can be used by a cell | mitochondrian |
| organelle that converts sunlight into chemical energy in plants | chloroplast |
| thick, fleshy creeping stem that grows either on or just beneath the surface of the ground | ribosomes |
| complex network that transfers materials through the inside of a cell | endoplasmic reticulum |
| organelle that modifies, collects, packages, and distributes molecules made at one location of the cell and used at another | golgi apparatus |
| organelle that contains chemicals and enzymes necessary for digesting certain materials in the cells | lysosomes |
| organelle that stores materials such as water, salts, proteins, and carbohydrates | vacuoles |
| plant cell organelle involved in the storage of food and pigments | plastids |
| framework of the cell composed of a variety of filaments and fibers that support cell structure and drive cell movement | cytoskeleton |
Created by:
frankie mcintyre
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