The endosymbiotic theory helps to explain the origin of which structures? mitochondria ribosomes nucleus cell membrane?
Question: The endosymbiotic theory helps to explain the origin of which structures? mitochondria ribosomes nucleus cell membrane?
The endosymbiotic theory helps to explain the origin of mitochondria and chloroplasts in eukaryotic cells. According to this theory, these organelles originated from free-living prokaryotic cells that were engulfed by an ancestral eukaryotic cell and established a mutually beneficial relationship (symbiosis).
Here’s why the other structures are not explained by this theory:
- Ribosomes: These are found in all cells and are not derived from endosymbiosis. They predate the development of mitochondria and chloroplasts.
- Nucleus: The origin of the nucleus is not explained by the endosymbiotic theory but likely involves other evolutionary processes.
- Cell Membrane: This is a fundamental structure of all cells and is not linked to the endosymbiotic theory.
If you're interested, I can explain the evidence supporting this theory, like the presence of double membranes and mitochondrial DNA!
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