Both Mitochondria and Chloroplasts Contain Their Own Ribosomes

question 160

Multiple Choice

Both mitochondria and chloroplasts contain their own ribosomes.A photosynthetic eukaryotic cell possesses three different types of rRNA that are similar to rRNAs from three distantly related ancestors.Which process would be consistent with this condition?

• A) Secondary endosymbiosis of a chloroplast
• B) Primary endosymbiosis of a mitochondrion and a chloroplast
• C) Primary endosymbiosis of a chloroplast
• D) Secondary endosymbiosis of a nucleus
• E) Primary endosymbiosis of a mitochondrion

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