Mitochondria possess unique ribosomes and a non-nuclear genome. The theory that accounts for this is the

A. germ theory.
B. endosymbiotic theory.
C. cell theory.
D. spontaneous generation.



Answer :

Final answer:

Mitochondria possess unique features due to the endosymbiotic theory, which explains their origins from bacteria engulfed by ancient eukaryotic cells.


Explanation:

Endosymbiotic theory explains the unique ribosomes and non-nuclear genome in mitochondria. It proposes that mitochondria originated from bacteria that were engulfed by ancient eukaryotic cells. This theory is supported by structural and genetic evidence, such as the presence of prokaryotic ribosomes and circular chromosomes in mitochondria.


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