| A | B |
|---|
| Cell membrane | Outer covering that allows materials to pass in and out of the cell. |
| Cytoplasm | Gelatin-like material where many chemical reactions occur. |
| Cell wall | Tough, ridgid outer covering of plant cell that protects and gives it shape. |
| Organelle | Structures within the cytoplasm that carry on the cell functions. |
| Nucleus | The brain of the cell. |
| Chloroplast | Sunlight capturing organelle only in plants that contain chlorophyll. Convert sunlight into food for the plant. |
| mitochondrion | Produces energy for the cell |
| ribosome | manufactures proteins |
| endoplasmic reticulum | transportation system for the cell connecting the nucleus with the cell membrane |
| golgi body | packages and ships proteins and other materials in the cell |
| tissue | a group of similar cells that work together to perform a special function |
| Organ | two or more tissues that work together |
| prokaryotic | cells without membrane bound organelles |
| eukaryotic | cells with membrane bound organelles |
| cell theory | 1. all organisms are made of one or more cells, 2. the cell is the basic unit of organization in an organism 3. All cells come from other cells |
| Virus | a strand of hereditary material surrounded by a protein coating and lacking a nucleus and cell membrane |
| host cell | living cells that a virsus invades and makes copies of itself. |
