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Multiple Choice
Which is one of the most important differences between prokaryotes and eukaryotes?
A
Prokaryotes lack a nucleus, while eukaryotes have a nucleus.
B
Prokaryotes have linear DNA, while eukaryotes have circular DNA.
C
Prokaryotes have mitochondria, while eukaryotes do not.
D
Prokaryotes have a complex cytoskeleton, while eukaryotes do not.
Verified step by step guidance
1
Understand the basic definitions: Prokaryotes are unicellular organisms that lack a nucleus and membrane-bound organelles, while eukaryotes are organisms whose cells have a nucleus enclosed within membranes.
Identify the key structural differences: Prokaryotes have a simpler cell structure without a nucleus, whereas eukaryotes have a complex cell structure with a defined nucleus.
Examine the DNA structure: Prokaryotes typically have circular DNA that floats freely in the cell, while eukaryotes have linear DNA contained within the nucleus.
Consider the presence of organelles: Eukaryotes have membrane-bound organelles such as mitochondria, which are absent in prokaryotes.
Evaluate the cytoskeleton complexity: Eukaryotes have a complex cytoskeleton that provides structural support and facilitates cell movement, whereas prokaryotes have a simpler cytoskeletal structure.