Which statement is correct about mitochondria and chloroplast?
Correct answer: B. 70S ribosome is attached with the inner membrane of mitochondria and chloroplast
- A. Chloroplast and mitochondria cannot live independently
- B. 70S ribosome is attached with the inner membrane of mitochondria and chloroplast
- C. Chloroplast and mitochondria are single membrane structures
- D. Number of mitochondria and chloroplast are same in all cells
Explanation
70S ribosomes are attached to the inner membrane of mitochondria and chloroplasts because they are the type of ribosomes that are found in prokaryotes. Mitochondria and chloroplasts are thought to have originated from prokaryotic cells that were engulfed by eukaryotic cells, and they have retained some of their prokaryotic characteristics, including the use of 70S ribosomes.
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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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