Identify the characteristics of 70S ribosomes and circular DNA.
Biology
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Identify the characteristics of 70S ribosomes and circular DNA.
70S ribosomes are found in prokaryotic cells and in the mitochondria and chloroplasts of eukaryotic cells. Circular DNA is also characteristic of prokaryotic cells, mitochondria, and chloroplasts.
Evaluate the given options.
- A chloroplasts: Chloroplasts are organelles within eukaryotic cells that possess their own circular DNA and 70S ribosomes. This aligns with the question.
- B eukaryotic cytoplasm: Eukaryotic cytoplasm contains 80S ribosomes and the cell's main DNA is linear and located in the nucleus.
- C rough endoplasmic reticulum: The rough endoplasmic reticulum is associated with 80S ribosomes and does not contain DNA.
- D smooth endoplasmic reticulum: The smooth endoplasmic reticulum does not contain ribosomes or DNA.
Select the option that matches the characteristics.
Chloroplasts are known to contain both 70S ribosomes and circular DNA.
The final answer is
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