| A | B |
|---|
| osmosis | The diffusion of water across a cell membrane |
| ribosome | Cell organelle that begins the process of making proteins |
| chromosome | Structure in the nucleus made up of long, threadlike DNA coils |
| mitosis | The process in which the cell nucleus divides during the production of two cells with identical DNA |
| diffusion | The movement of a substance from an area of its higher concentration to an area of its lower concentration |
| mitochondria | Cells organielles that convert thechemical energy of food into a form the cell can use |
| DNA | The material that stores coded information about how an organism will grow and develop |
| endoplasmic reticulum | A network of folded membranes in the cell's cytoplasm that transport materials and assembles proteins and other substances needed by the cell |
| organelle | structures that performs a specific function within a cell |
