| The internal fluid of a cell is called the ____. |
cell membrane |
| A ____ is an organelle that makes proteins from amino acids. |
cytosol |
| A ____ is a large spherical body within the nucleus. |
microscope |
| The diffusion of water across a membrane is ____. |
nucleolus |
| The cytoplasm of all cells is surrounded by a ____. |
organelle |
| An ____ is any subunit within a cell that has a specific function. |
osmosis |
| Cells are mostly made of ____. |
ribosome |
| Most plant and animal cells are visible only under a ____. |
water |
