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Which domains consist of prokaryotic cells?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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What is the main difference between a prokaryotic and eukaryotic cell?
A
Prokaryotic cells are larger than eukaryotic cells.
B
Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.
C
Prokaryotic cells have a complex cytoskeleton, while eukaryotic cells do not.
D
Prokaryotic cells have mitochondria, while eukaryotic cells do not.
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Begin by understanding the basic structure of prokaryotic and eukaryotic cells. Prokaryotic cells are simpler and do not have membrane-bound organelles, while eukaryotic cells are more complex and contain membrane-bound organelles.
Identify the presence of a nucleus as a key differentiator. Eukaryotic cells have a defined nucleus where their genetic material is enclosed, whereas prokaryotic cells have genetic material that is not enclosed within a nucleus.
Consider the size difference between the two cell types. Generally, eukaryotic cells are larger than prokaryotic cells, but this is not the main distinguishing feature.
Evaluate the presence of other organelles. Eukaryotic cells contain mitochondria and a complex cytoskeleton, which are absent in prokaryotic cells.
Summarize the main difference: Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus. This is the primary distinction between the two cell types.
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