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Multiple Choice
The absence of which cell structure would indicate a cell is prokaryotic?
A
Cell membrane
B
Cytoplasm
C
Ribosome
D
Nucleus
Verified step by step guidance
1
Begin by understanding the basic differences between prokaryotic and eukaryotic cells. Prokaryotic cells are simpler and do not have membrane-bound organelles, while eukaryotic cells do.
Identify the key organelles that are present in eukaryotic cells but absent in prokaryotic cells. The nucleus is a defining feature of eukaryotic cells, where the cell's genetic material is enclosed within a membrane.
Examine the list of cell structures provided: cell membrane, cytoplasm, ribosome, and nucleus. Determine which of these structures are common to both prokaryotic and eukaryotic cells.
Recognize that the cell membrane, cytoplasm, and ribosomes are present in both prokaryotic and eukaryotic cells. These structures are essential for basic cellular functions such as maintaining the cell's integrity, housing cellular components, and protein synthesis.
Conclude that the absence of a nucleus is indicative of a prokaryotic cell, as prokaryotic cells do not have a nucleus. Their genetic material is not enclosed within a membrane, distinguishing them from eukaryotic cells.