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Multiple Choice
Which of the following is a key difference between prokaryotic and eukaryotic cells?
A
Eukaryotic cells have circular DNA, while prokaryotic cells have linear DNA.
B
Prokaryotic cells are generally larger than eukaryotic cells.
C
Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
D
Prokaryotic cells have a nucleus, while eukaryotic cells do not.
Verified step by step guidance
1
Identify the key structural differences between prokaryotic and eukaryotic cells. Prokaryotic cells are generally simpler and lack membrane-bound organelles, while eukaryotic cells have complex structures with membrane-bound organelles.
Understand the organization of genetic material in both cell types. Prokaryotic cells typically have a single, circular DNA molecule located in the nucleoid region, whereas eukaryotic cells have linear DNA organized into chromosomes within a nucleus.
Consider the size comparison between the two cell types. Prokaryotic cells are generally smaller than eukaryotic cells, which allows for faster reproduction and simpler cellular processes.
Examine the presence of a nucleus. Eukaryotic cells have a defined nucleus that houses their genetic material, while prokaryotic cells do not have a nucleus; their DNA is located in the cytoplasm.
Evaluate the presence of membrane-bound organelles. Eukaryotic cells contain organelles such as the mitochondria, endoplasmic reticulum, and Golgi apparatus, which are enclosed by membranes, whereas prokaryotic cells lack these structures.