Responses
They are responsible for their own replication and division inside the cell.
They are responsible for their own replication and division inside the cell.
DNA is used to code for proteins, which these organelles synthesize.
DNA is used to code for proteins, which these organelles synthesize.
They used to be free-living prokaryotes that functioned as unicellular organisms.
They used to be free-living prokaryotes that functioned as unicellular organisms.
All organelles have their own DNA, and these two demonstrate that property.
1 answer
The correct response is:
They used to be free-living prokaryotes that functioned as unicellular organisms.
Mitochondria and chloroplasts are thought to have originated from free-living prokaryotic organisms that were engulfed by ancestral eukaryotic cells, a process known as endosymbiosis. This evolutionary history is the reason they have their own DNA, which is distinct from the nuclear DNA of the host cell.
