Multiple Choice
Which of the following structures are present in both eukaryotes and prokaryotes?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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Which characteristic distinguishes a prokaryotic cell from a eukaryotic cell?
A
Presence of a nucleus
B
Ability to perform photosynthesis
C
Lack of membrane-bound organelles
D
Presence of a cell wall
Verified step by step guidance1
Understand the basic definitions: Prokaryotic cells are simple, single-celled organisms without a nucleus or other membrane-bound organelles. Eukaryotic cells are more complex and have a nucleus and membrane-bound organelles.
Identify the key characteristic of prokaryotic cells: They lack membrane-bound organelles, including a nucleus.
Consider the options given: Presence of a nucleus, ability to perform photosynthesis, lack of membrane-bound organelles, and presence of a cell wall.
Evaluate each option: Presence of a nucleus is a feature of eukaryotic cells, not prokaryotic. Ability to perform photosynthesis is not exclusive to either cell type, as some prokaryotes (like cyanobacteria) can photosynthesize. Presence of a cell wall is found in both prokaryotic and some eukaryotic cells (like plant cells).
Conclude that the distinguishing feature of prokaryotic cells is the lack of membrane-bound organelles, which sets them apart from eukaryotic cells.
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