The Endosymbiotic Theory Says That Precursor Eukaryotic Cells Acquired Flagella

question 38

Multiple Choice

The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a _____ ancestor, and others gained photosynthetic ability from endosymbiosis with a _____ ancestor.

• A)protozoan, algae
• B)archaea, cyanobacteria
• C)spirochete, cyanobacteria
• D)helminth, algae
• E)None of the choices are correct.

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