| A | B |
| nucleus | directs activities of the cell - brain |
| cytoplasm | gel-like liquid |
| cell membrane | controls substances entering and leaving the cell |
| cell wall | plants only - gives rigid shape |
| chloroplast | plants only - contain chlorophyll - make food |
| ribosome | produce proteins |
| mitochondrion | produce energy |
| vacuole | store food, water, or wastes |
| endoplasmic reticulum | passageways |
| lysosome | break down large food particles |
| golgi body | receives and sends materials |
| chromosome | in nucleus - contains DNA |
| organelle | tiny cell part |
| DNA | genetic material - carries information about an organism |
| chromatid | identical rods of a chromosome |