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In what ways do the internal membranes of a eukaryotic cell contribute to the functioning of the cell?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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What is a key structural difference between prokaryotic and eukaryotic cells?
A
Prokaryotic cells have a nucleus, while eukaryotic cells do not.
B
Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
C
Prokaryotic cells have a cell wall, while eukaryotic cells do not.
D
Eukaryotic cells are always unicellular, while prokaryotic cells are multicellular.
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Begin by understanding the basic definitions of prokaryotic and eukaryotic cells. Prokaryotic cells are simpler and lack a nucleus, while eukaryotic cells are more complex and have a defined nucleus.
Identify the presence of membrane-bound organelles as a key structural feature. Eukaryotic cells contain organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus, which are enclosed by membranes.
Recognize that prokaryotic cells do not have membrane-bound organelles. Their cellular components are not separated by membranes, which is a significant structural difference.
Consider the presence of a cell wall. While many prokaryotic cells have a cell wall, some eukaryotic cells, like plant cells, also have a cell wall, but it is not a universal feature of all eukaryotic cells.
Clarify the misconception about cellularity. Eukaryotic cells can be either unicellular or multicellular, whereas prokaryotic cells are typically unicellular.
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