| A | B |
|---|
| nucleus | contains chromatin |
| chromatin | unravelled chromosomes |
| golgi apparatus | packages and distributes proteins |
| RER | Covered in ribosomes |
| SER | for lipid production |
| nucleolus | for RNA production |
| mitochondria | for making ATP |
| cytoplasm | all the cell contents |
| cytosol | cytoplasm without the organelles |
| nuclear membrane | has pores to let molecules in and out |
| diffusion | movement of substances from a place of high concentration to that of a lower concentration |
| active transport | takes place against the concentration gradient |
| facilitated diffusion | passive process using protein channels |
| phospholipid bilayer | cell membranes are made of this. |
