Looking at a cell under a microscope, you can note that it is a prokaryote. How do you know? a. The cell lacks cytoplasm b. the cell lacks a cell membrane c. The cell lacks a nucleus d. The cell lacks genetic material

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A cell is a prokaryote because b. it lacks a cell membrane. As a result, a prokaryote does not have an organized nucleus. The DNA is clumped together inside the cell. An eukaryote, on the other hand, is a cell with a cell membrane around the nucleus. It's amazing to realize that a cell can function without an organized nucleus. Most prokaryote's are bacteria and they exist everywhere on our planet. They are also very simple organisms - the simplest organisms on our planet. 

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