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Bio Test
Vocab for bio test
| Term | Definition |
|---|---|
| Cell Theory | 1. All living things are made of one or more cells. 2. Cells are the basic units of structure and function in organisms. 3. All cells arise from existing cells. |
| Cell Membrane | Outer layer that encloses the cell and separates the outside of a cell from the cell interior. |
| Cytoplasm | The material inside a cell. |
| Cytoskeleton | Tiny fibers that hold cell organelles in place. |
| Ribosomes | Cellular structures on which proteins are made |
| Prokaryote | Single cell organism that lacks a nucleus and other internal compartments. |
| Cell wall | Solid wall made of proteins and other nutrients that surround the cell membrane. |
| Flagella | Long thread like structures that enable movement in cells. |
| Eukaryote | An organism who's cells have a nucleus. |
| Nucleus | An internal compartment that houses the cell's DNA. |
| Organelle | A structure that carries out specific activities in a cell. |
| Cilia | Short hair like structures that protrude from the surface of some Eukaryotic cells. |
| Phospholid | A lipid made of a phosphate group and two fatty acids. |
| Lipid Bilayer | In a cell membrane, the phospholipids are arranged in a double layer. |
| Golgi Apparatus | A set of flat membrane bound sacs that serves as the packaging and distribution center of the cell. |
| Lysomes | Small spherical organelles that contain one cell's digestive enzymes. |
| Mitochondria | An organelle that harvests energy from organic compounds to make ATP, the primary cell energy. |
| Prokaryotic Cell Features | No nucleus, has a cell wall, and has no internal structure. |
| Eukaryotic Cells | Has a nucleus, does not have a cell wall, and has internal structure. |
| Diffusion | The movement of a substance form a high area of concentration to a low are of concentration. |
| Osmosis | The diffusion of water through cells. |
| Hypertonic Solution | Solution has less density than cell |
| Isotonic Solution | Solution has same density as cell |
| Hypotonic Solution | Solution has a greater higher density than cell |
Created by:
Sean Keiley
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