| The cytoskeleton acts as a "track" on which cells can move organelles, chromosomes and other things. |
| It will reinforce the idea behind the endosymbiotic theory which is suggested as the basis for the formation of eukaryotic cells. |
| The endosymbiotic theory states that eukaryotic cells once became larger cells by absorbing a prokaryote. |
| The endosymbiotic theory concerns the origins of mitochondria and plastids, which are organelles of eukaryotic cells. |
| The endosymbiotic theory states that mitochondria and chlopoplasts in today's eukaryotic cells were once separate prokaryotic microbes. |
| The reason we need to breathe is to provide the oxygen needed to carry out cellular respiration in our cells. |
