Homework Answers
Ans: option A,B are correct answer.
According to endosymbiotic hypothesis, the mitochondria, chloroplast and possibly other organelles of eukaryotic cells are descended from free living photosynthetic prokaryotes.
- The eukaryotic cells engulfed the prokaryotic cells in the process of evolution which didn't get digested and there established a symbiotic relationship between them.
- The organelles lost their cell wall and DNA and thus were dependent for benefit.
- "endo" in endosymbiotic means "within the cell".
- Thus option A,B are correct.
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