The reason is believed to be that these organelles are descendants of bacteria itself. Therefore, bacterial cells, mitochondria, and chloroplast all contain the 70S ribosome. So, the correct answer is '70 S type'. Note: 70S ribosomes are present in prokaryotic cells and all eukaryotic cells only contain 80S ribosomes.
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Answer:
The reason is believed to be that these organelles are descendants of bacteria itself. Therefore, bacterial cells, mitochondria, and chloroplast all contain the 70S ribosome. So, the correct answer is '70 S type'. Note: 70S ribosomes are present in prokaryotic cells and all eukaryotic cells only contain 80S ribosomes.