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Multiple Choice
Which of the following is a key difference between prokaryotic and eukaryotic cells?
A
Prokaryotic cells are generally larger than eukaryotic cells.
B
Eukaryotic cells have circular DNA, while prokaryotic cells have linear DNA.
C
Prokaryotic cells have a nucleus, while eukaryotic cells do not.
D
Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
Verified step by step guidance
1
Understand the basic definitions: Prokaryotic cells are simple, single-celled organisms without a nucleus or other membrane-bound organelles. Eukaryotic cells are more complex and can be single-celled or multicellular, with a nucleus and membrane-bound organelles.
Identify the characteristics of prokaryotic cells: They lack a nucleus, have circular DNA, and do not have membrane-bound organelles. They are generally smaller than eukaryotic cells.
Identify the characteristics of eukaryotic cells: They have a nucleus, linear DNA, and contain membrane-bound organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus. They are generally larger than prokaryotic cells.
Evaluate the given options: Compare each statement with the known characteristics of prokaryotic and eukaryotic cells.
Determine the correct answer: The key difference is that eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not. This is a fundamental distinction between the two cell types.