| A | B |
|---|
| nucleus | houses genetic material |
| mitochondria | converts chemical energy stored in food into compounds more convenient for the cell to use |
| chloroplast | site of photosynthesis |
| lysosome | breaks down and recycles old organelles |
| rough endoplasmic reticulum | site of protein and membrane synthesis and modification |
| ribosomes | site of protein synthesis |
| Golgi aparatus | sorts and packages proteins for storage in the cell or secretion |
| cell membrane | forms a barrier around the cell; determines what enters and leaves the cell |
| nuclear pores | allows substances to move in and out of the nuclear envelope |
| nuclear envelope | membrane surrounding the nucleus |
| vacuole | stores materials such as water, proteins, carbohydrates, and salts |
| cytoskeleton | support structure and transportation system in animal cells |
| cilia and flagella | feeding and movement |
| cell wall | provides protection and support in plant and prokaryotic cells |
| chromatin | consists of DNA and protein |
| nucleolus | where assembly of ribosomes begins |
| cytoplasm | houses many organelles |
