The endosymbiont hypothesis suggests that there are similarities between prokaryotes, mitochondria and chloroplasts like
A
Presence of circular DNA associated with histones and 70 S ribosomes
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B
Presence of circular DNA not associated with histones and 70 S ribosomes
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C
50 S ribosomes and DNA
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D
30 S ribosomes and DNA
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Solution
The correct option is B Presence of circular DNA not associated with histones and 70 S ribosomes Mitochondria and chloroplast are double membranous structures like some prokaryotes and they also have a circular DNA which is not associated with histones and 70 S ribosomes just like prokaryotes.