| Term | Definition |
|---|
| Cell | A membrane bound structure that is the basic unit of life |
| Cell Membrane | The lipid bilayer that forms the outer boundary of the cell |
| Cell Theory | This says that all living things are made of cells, that cells are the basic unit of structure and function and that cells only come from other cells. |
| Cell wall | A rigid structure that surrounds the cells of plants and most bacteria |
| Chloroplast | A plastid containing chlorophyll, the site of photosynthesis |
| Cytoplasm | The region of the cell between the cell membrane and the nucleus |
| Cytoskeleton | A network of long protein strands in the cytosol that helps support the cell |
| Eukaryote | A cell that contains a nucleus and membrane bound organelles |
| Golgi apparatus | A system of membranes that modifies and packages proteins for export by the cell |
| Lysosomes | An organelle containing digestive enzymes |
| Mitochondria | Powerhouse of the cell, organelle that is the site of ATP (energy) production |
| Nuclear envelope | A double membrane that surrounds the nucleus in the cell |
| Nucleolus | The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus |
| Nucleus | The organelle that contains the DNA and controls the processes of the cell |
| Organelle | One of several bodies with a specialized function that is suspended in the cytosol of the cell |
| organ | several types of body tissues that together form a function |
| organ system | A group of organs that interact to perform a set of related tasks |
| prokaryote | A unicellular organism that lacks a nucleus and membrane bound organelles |
| Ribosome | An organelle that functions in the synthesis of proteins |
| tissue | a group of similar cells that carry out a similar function |
| Vacuole | A fluid filled organelle that stores enzymes or water |
| vesicle | A membrane bound sac that contains materials involved in transport of the cell. |
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