| A | B |
|---|
| organelle | a tiny structure that carries out specific function within a cell |
| cell wall | a rigid layer of nonliving material (cellulose) which surrounds the cells of plants and trees |
| cell membrane | located just inside the cell wall, or in animal cells, the barrier between the outside and inside of the cell. It controls what things come in and out of the cell |
| nucleus | a large oval structure that acts as the control center of the cell that contains DNA |
| chromatin | contains DNA (found in the nucleus) the information is passed onto the nex cell when the existing cell divides |
| nucleolus | structure in the nucleus which makes ribosomes |
| cytoplasm | area between the nucleus which contains a thick liquid where many organelles are found |
| mitochondria | rod shaped "power houses" that produce most of the energy cells need to function |
| endoplasmic reticulum | a maze of passageways that carry proeins and other materials from one part of the cell to another |
| ribosomes | attached to the outside of the endoplasmic reticulum, they are small granular bodies that produce proteins |
| golgi bodies | a cell's mailroom which recieves proteins and other materialsand send them to other parts of the cell |
| chloroplasts | only found in cells of plants which do photosynthesis to make food for plants |
| vacuole | a round sac used as a storage area for waste, food, and water |
| lysosomes | small round structures that contain chemicals to break down large food particles into smaller ones |
| fossils | traces of ancient organisms that have been preserved in substances |
