Two scientists co-discover a population of single-celled eukaryotes that do not have mitochondria. Whoa! One scientist thinks the cells must be from a lineage that never underwent endosymbiosis, but the other scientist thinks endosymbiosis happened at some point. Which of the following provides the BEST evidence to support the second scientist?A. the cells are incapable of surviving without sunlightB. sexual reproduction is never observedC. the nuclear genome has some genes from proteobacteriaD. the cells also contain chloroplasts
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Two scientists co-discover a population of single-celled eukaryotes that do not have mitochondria. W...
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