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Hon Bio Ch 4 Sec 3
Chapter 4 Section 3 terms and definitions
| Question | Answer |
|---|---|
| phospholipid bilayer | |
| chromosome | in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA |
| nucleur envelope | |
| nucleosis | |
| ribosome | |
| mitochondrion | in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of cellular respiration which produces ATP |
| endoplasmic reticulum | a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins, and the productions of lipids |
| golgi apparatis | cell organelle that helps make and package materials to be transported out of the cell |
| lysosome | a cell organelle that contains digestive enzymes and that buds from the Golgi apparatus |
| cytoskeleton | the cytoplasmic network of protein fillimants and tubes that plays an essential movement in cell movement, shape, and division |
| microtubule | one of the small, tubular, fibers composed of the protein tubulin that are found in the cytoplasm of eukaryotic cells |
| microfilimant | a fiber found inside eukaryotic cells that is composed of mainly the protien actin and that has a role in cell structure and movement |
| cilium | a hairlike structure arranged in tightly packed rows that projects from the surface of some cells |
| flagellum | a long, hairlike structure that grows out of a cell and enables a cell to move |
| centriole | an organelle that is composed of two short microtubules at right angles to each other and that has an active role in mitolosis |