one piece of evidence supporting the endosymbiotic theory comes from examination of membranes surrounding the chloroplasts of microbial eukaryotes that have a history of secondary and/or tertiary endosymbiosis. how might we expect the membranes in these cases to be different?

one piece of evidence supporting the endosymbiotic theory comes from examination of membranes surrounding the chloroplasts of microbial eukaryotes that have a history of secondary and/or tertiary endosymbiosis. how might we expect the membranes in these cases to be different?