| A | B |
|---|
| cell membrane | is the outer boundary of the cell |
| nucleus | control center of the cell |
| chromatin | contain DNA or hereditary material |
| cytoplasm | gel-like substance inside the cell |
| organelle | little organs in a cell |
| endoplasmic reticulum | folded membrane that moves materials in the cell |
| ribosomes | organelles that make protein |
| Golgi bodies | package proteins to be moved out of the cell |
| mitochondria | is the power house of the cell which releases energy |
| lysosomes | organelles that contain digestive chemicals |
| cell wall | rigid outer part of a plant cell |
| chloroplasts | contain chlorophyll for making sugars |
| cells | basic unit of structure and function in living things |
| tissue | a group of cells working together |
| organ | group of tissues working together |
| organ system | group of organs working together |
| organism | a living thing |
| prokaryotic cells | cells that do not have a nucleus |
| eukaryotic cells | cells that contain a nucleus |
| nuclear membrane | surround the nucleus |
