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Multiple Choice
What structural feature distinguishes eukaryotic cells from prokaryotic cells?
A
Smaller ribosomes
B
Lack of a cell membrane
C
Presence of a nucleus
D
Circular DNA
Verified step by step guidance
1
Understand the basic definitions: Eukaryotic cells are complex cells with a defined nucleus, while prokaryotic cells are simpler and lack a nucleus.
Identify the key structural features of eukaryotic cells: They have a nucleus, which houses the cell's DNA, and various membrane-bound organelles.
Compare with prokaryotic cells: Prokaryotic cells do not have a nucleus; their DNA is located in a region called the nucleoid, which is not membrane-bound.
Evaluate the options given: 'Smaller ribosomes' and 'Circular DNA' are characteristics of prokaryotic cells, not distinguishing features of eukaryotic cells.
Conclude that the presence of a nucleus is the structural feature that distinguishes eukaryotic cells from prokaryotic cells.