| A | B | 
|---|
| organelles | tiny structures that carry out functions in a cell | 
| cell wall | rigid layer of nonliving material that surrounds plant cells | 
| cell membrane | controls what comes in & out of cell | 
| nucleus | cell's control center | 
| nuclear membrane | controls what gets in & out of the nucleus | 
| chromatin | contains genetic material that "tells" cell what to do | 
| nucleolus | makes ribosomes | 
| cytoplasm | clear, thick gel-like fluid | 
| mitochondria | powerhouse of the cell | 
| endoplasmic reticulum | transport proteins & other substances throughout cell | 
| ribosomes | produce proteins | 
| Golgi bodies | package & distribute proteins | 
| chloroplasts | capture sunlight & produces food for the cell | 
| vacuoles | sacs which store food, water, waste, & other materials for cells | 
| lysosomes | break down old or damaged cell parts for recycling | 
| bacterial cell | has cell wall, cell membrane & ribosomes | 
| specialized cells | structure demonstrates functions | 
| prokaryotes | organisms whose cells lack a nucleus | 
| eukaryotes | organism whose cells contain a nucleus |