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Multiple Choice
Which of the following is a characteristic of eukaryotic cells?
A
They are always unicellular organisms.
B
Their DNA is located in a nucleoid region without a surrounding membrane.
C
They contain membrane-bound organelles such as a nucleus.
D
They lack internal compartmentalization.
Verified step by step guidance
1
Understand the key differences between eukaryotic and prokaryotic cells. Eukaryotic cells are characterized by their complexity and internal compartmentalization, while prokaryotic cells are simpler and lack membrane-bound organelles.
Review the structure of eukaryotic cells. Eukaryotic cells contain membrane-bound organelles, such as the nucleus, mitochondria, and endoplasmic reticulum, which are essential for various cellular functions.
Analyze the options provided in the question. Eliminate choices that describe characteristics of prokaryotic cells, such as 'Their DNA is located in a nucleoid region without a surrounding membrane' and 'They lack internal compartmentalization.'
Consider the statement 'They are always unicellular organisms.' This is incorrect because eukaryotic cells can be found in both unicellular organisms (e.g., protists) and multicellular organisms (e.g., plants and animals).
Select the correct answer: 'They contain membrane-bound organelles such as a nucleus,' as this is a defining feature of eukaryotic cells.