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In a prokaryotic cell, the DNA is found in which region?

AThe nucleolus
BThe nucleoplasm
CThe cytoskeleton
DThe nucleoid
Answer & Solution
Correct answer: D. The nucleoid
1. A prokaryote lacks a nucleus and any other membrane-bound organelle. 2. Its DNA still occupies a definite central part of the cell. 3. That central region is the nucleoid, and it is not wrapped in a membrane. 4. The nucleolus and nucleoplasm both sit inside a true nucleus, which a prokaryote does not have. 5. Prokaryotic DNA lies in the nucleoid. _Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.2 Prokaryotic Cells_
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