which structure will form when a primitive cell engulfs an aerobic bacterium?\nmitochondria\nchloroplast\nnuc…

which structure will form when a primitive cell engulfs an aerobic bacterium?\nmitochondria\nchloroplast\nnucleus\ncell membrane
Answer
Brief Explanations:
The endosymbiotic theory states that mitochondria originated when a primitive cell engulfed an aerobic bacterium. Chloroplasts formed from engulfed photosynthetic bacteria, the nucleus has a different evolutionary origin, and the cell - membrane is a pre - existing structure of the cell.
Answer:
A. mitochondria