Which of the Following Is Not an Argument for the Endosymbiotic

Multiple Choice

Which of the following is not an argument for the endosymbiotic theory?

A) Mitochondria and chloroplasts are about the same size as prokaryotic cells.
B) Mitochondria and chloroplasts cannot be grown in culture, free of a host cell.
C) Mitochondria and chloroplasts have DNA and ribosomes.
D) Mitochondrial ribosomes synthesize proteins similar to those synthesized by bacterial ribosomes.
E) All of the above are arguments for the endosymbiotic theory.