This theory accounts for the double membrane and circular DNA found inside plastids and explains why certain organelles can replicate through binary fission.
An important medical application of this theory is the use of tetracycline to inhibit the apicoplast of Plasmodium parasites. The nucleomorph inside cryptomonad algae is taken as proof for this theory, which opposes the endogenous hypothesis. One controversial application of this theory explains the 9 plus 2 arrangement of microtubules in flagella and cilia, and the best molecular evidence for it comes from the small ribosomal subunit. This theory accounts for the double membrane and circular DNA found inside plastids and explains why certain organelles can replicate through binary fission. Largely the work of Lynn Margulis, name this evolutionary theory which states that the ancestors of mitochondria and chloroplasts were free-living prokaryotes that became engulfed by larger cells.
An important medical application of this theory is the use of tetracycline to inhibit the apicoplast of Plasmodium parasites.
endosymbiotic theory [or serial endosymbiosis]