Multiple Choice
Which cell type has a plasma membrane?
1. Overview of Cell Biology
Prokaryotes vs. Eukaryotes
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Which of the following features is evidence that a cell is eukaryotic rather than prokaryotic?
A
Presence of a membrane-bound nucleus
B
Absence of membrane-bound organelles
C
Cell wall composed of peptidoglycan
D
Circular DNA located in the cytoplasm
Verified step by step guidance1
Understand the key difference between eukaryotic and prokaryotic cells: Eukaryotic cells have membrane-bound organelles, including a nucleus, while prokaryotic cells lack these structures.
Analyze the first option: 'Presence of a membrane-bound nucleus.' This is a hallmark feature of eukaryotic cells, as prokaryotic cells do not have a nucleus.
Evaluate the second option: 'Absence of membrane-bound organelles.' This is a characteristic of prokaryotic cells, not eukaryotic cells, so it does not support the cell being eukaryotic.
Examine the third option: 'Cell wall composed of peptidoglycan.' This is a feature of prokaryotic cells, specifically bacteria, and is not evidence of a eukaryotic cell.
Review the fourth option: 'Circular DNA located in the cytoplasm.' This is another characteristic of prokaryotic cells, as eukaryotic cells typically have linear DNA enclosed within a nucleus.
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