Among followings which cellular organelle contains clrcular DNA similar to those found in bacteria?
Correct answer: B. Chloroplast
- A. Ribosomes
- B. Chloroplast
- C. Lysosome
- D. Nucleus
Explanation
According to the endosymbiotic hypothesis, chloroplasts are believed to be symbiotically originated from bacteria. They have their own circular DNA and 70S ribosomes, just like bacteria.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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