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Which group of organisms is characterized by having a cell wall?
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1. Overview of Cell Biology
Prokaryotes vs. Eukaryotes
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Which type of cell lacks a membrane-bound nucleus?
A
Prokaryotic cell
B
Plant cell
C
Eukaryotic cell
D
Animal cell
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Understand the difference between prokaryotic and eukaryotic cells: Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.
Recall that plant and animal cells are types of eukaryotic cells, so they both contain a membrane-bound nucleus.
Recognize that prokaryotic cells, such as bacteria, lack a membrane-bound nucleus; their genetic material is located in a nucleoid region instead.
Identify that the question asks for the type of cell without a membrane-bound nucleus, which matches the characteristics of prokaryotic cells.
Conclude that the correct answer is 'Prokaryotic cell' because it lacks a membrane-bound nucleus, unlike plant, animal, and other eukaryotic cells.
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