| A | B |
| cell | The smallest unit that can perform all life process; basic unit of life |
| cell membrane | A phospholipid layer that covers a cell's surface; acts as a barrier between the inside of a cell and the cell's environment |
| organelle | one of the small bodies in a cell's cytoplasm that are specialized to perform a specific funciton |
| nucleus | a membrane bound organelle that contains the cell's DNA and controls the entire cell. |
| prokaryote | an organism that consists of a single cell that does not have a nucleus |
| eukaryote | an organism made up of cell that have a nucleus. |
| cell wall | a rigid structure that surrounds the |
| ribosomes | cell organelle that makes proteins |
| endoplasmic reticulum | a system of membranes that assists in production, processing, and transport of proteins and lipids. |
| mitochondria | the cell organelle that is surrounded by two membranes and where sugar is broken down for energy. |
| golgi complex | cell organelle that helps make and package materials to be transported out of the cell. |
| vesicle | a small sac that bubbles off golgi complex to transport materials in and out of cell |
| lysosome | cell organelle that contains digestive enzymes; gets rid or waste and worn out cell parts |
| tissue | a group of cells that work together to perform a common function |
| organ | a group of tissues that work together to do a specific function. |
| organ system | a group of organs that work together to perform a specific function |
| organism | a living thing |
| structure | the arrangement of parts of an organism |
| function | job; special, normal activity of an organ or part. |