endosymbiotic theory

Noun

Meaning

endosymbiotic theory (uncountable)

(ecology) The theory that mitochondria and chloroplasts, which are organelles of eukaryotic cells, originated as independent organisms.

Examples

These organelles are believed to be descendants of bacteria (see Endosymbiotic theory ) and, as such, their ribosomes are similar to those of bacteria. Source: Internet

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