A scientist is examining an unknown cell using an electron microscope. Which observed structure would indicate that the cell is MOST LIKELY prokaryotic?

Understand the Problem
The question is asking which observed structure in a cell, viewed through an electron microscope, would indicate that the cell is most likely prokaryotic. It presents four options and requires knowledge of cell biology to identify the correct one.
Answer
Free-floating DNA
The final answer is free-floating DNA.
Answer for screen readers
The final answer is free-floating DNA.
More Information
Prokaryotic cells, such as bacteria, lack a membrane-bound nucleus and have free-floating DNA in the cytoplasm. This is a key distinguishing feature from eukaryotic cells.
Tips
Common mistakes include confusing features of prokaryotic and eukaryotic cells, such as assuming the presence of mitochondria or chloroplasts indicates a prokaryotic cell.
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