Mitochondria & Chloroplasts Practice Problems

Mitochondria are the most important organelles of the eukaryotic cells because they are involved in the manufacture and supply of energy to the cells. The number of mitochondria in a cell depends on:

The mitochondria and chloroplasts may have once been free-living bacteria based on all of the following attributes, except:

Which one is incorrectly matched with its role in a eukaryotic cell?