| A | B |
|---|
| cell membrane | contains cellular contents: regulates what enters the cell |
| cytoplasm | surrounds & supports organelles: medium through which nutrients and waste move |
| nucleus | control center of cell; contains genetic information |
| cell membrane | contains cellular contents: regulates water |
| nucleolus | forms ribosomes |
| cytoskeleton | provides for intracellular shape & support |
| centrioles | help separate chromosomes during mitosis |
| cilia | create movement over cell surface |
| flagella | movement of cell (allows sperm to swim) |
| mitochondria | convert energy in nutrientsto ATP (power plants of cell) |
| ribosomes | site of protein synthesis |
| lysosomes | housekeeping within the cell, cell eating through enzymes |
| endoplasmic reticulum (ER) | contains ribosomes where protein is synthesized |
| golgi apparatus | packages protein within membrane |
