Which of the following has its own DNA and 70S ribosomes?
Correct answer: B. Mitochondria
- A. Nucleus
- B. Mitochondria
- C. Golgi apparatus
- D. Peroxisomes
Explanation
Mitochondria (and chloroplasts) have their own circular DNA and 70S ribosomes, supporting the endosymbiotic theory.
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About Prokaryotic and Eukaryotic Cells
Prokaryotic cells lack a membrane-bound nucleus and complex membrane-bound organelles, whereas eukaryotic cells contain a nucleus, specialized organelles and a cytoskeleton. Comparisons include DNA organization, ribosomes, cell walls, size, division and examples such as bacteria, archaea, protists, fungi, plants and animals.
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