INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A scientist is studying a cell from an unidentified organism. Which feature of the cell provides the strongest evidence that the organism is a prokaryote and not a eukaryote?
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The cell contains a nucleus and other membrane-bound organelles.
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The cell lacks a nucleus and other membrane-bound organelles.
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The cell is surrounded by a cell membrane and a cell wall.
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The cell is surrounded by a cell membrane, but not a cell wall.
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Explanation:
Detailed explanation-1: -Eukaryotic cells contain membrane-bound organelles (such as the nucleus and mitochondria), while prokaryotic cells do not. DNA in eukaryotic cells is found inside the nucleus, while DNA in prokaryotic cells is located in the cytoplasm.
Detailed explanation-2: -Above all, eukaryotic cells are defined by the presence of a nucleus surrounded by a complex nuclear membrane. Also, eukaryotic cells are characterized by the presence of membrane-bound organelles in the cytoplasm.
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