The Endosymbiotic Theory Argues That Prokaryotic Cells Became Some of the Organelles

question 73

Multiple Choice

The endosymbiotic theory argues that prokaryotic cells became some of the organelles of early eukaryotic cells. Which of the following supports this theory?

• A) Mitochondria and chloroplasts are similar to bacteria in size and structure.
• B) Mitochondria and chloroplasts have their own DNA.
• C) The DNA of mitochondria and chloroplasts is a circular loop like that of prokaryotes.
• D) The ribosomes of mitochondria and chloroplasts resemble those of prokaryotes.
• E) All the answers support the endosymbiotic theory.

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