Responses
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.
They are responsible for their own replication and division inside the cell.
They are responsible for their own replication and division inside the cell.
All organelles have their own DNA, and these two demonstrate that property.
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 have their own DNA because they are thought to have originated from free-living prokaryotic organisms that were engulfed by a primitive eukaryotic cell in a symbiotic relationship (endosymbiotic theory). This ancestral link is reflected in their own DNA, which is similar to bacterial DNA.
