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Multiple Choice
Which of the following characteristics is unique to eukaryotic cells?
A
Presence of a nucleus
B
Lack of membrane-bound organelles
C
Smaller ribosomes
D
Circular DNA
Verified step by step guidance
1
Understand the basic differences between prokaryotic and eukaryotic cells. Eukaryotic cells have distinct features that set them apart from prokaryotic cells.
Identify the presence of a nucleus as a key characteristic of eukaryotic cells. Eukaryotic cells have a true nucleus enclosed by a nuclear membrane, which houses the cell's genetic material.
Recognize that prokaryotic cells lack membrane-bound organelles, including a nucleus. This is a distinguishing feature of prokaryotic cells, not eukaryotic cells.
Note that eukaryotic cells have larger ribosomes (80S) compared to the smaller ribosomes (70S) found in prokaryotic cells.
Understand that eukaryotic cells typically have linear DNA organized into chromosomes, whereas prokaryotic cells often have circular DNA.