Multiple Choice
In prokaryotic cells, where is the cell’s DNA primarily found?
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7. DNA and Chromosome Structure
Bacterial and Viral Chromosome Structure
Multiple Choice
In most prokaryotic cells, the chromosomal DNA is primarily located in which cellular region?
A
Nucleus
B
Rough endoplasmic reticulum
C
Nucleoid region
D
Mitochondrion
Verified step by step guidance1
Understand that prokaryotic cells differ from eukaryotic cells in that they lack membrane-bound organelles such as a nucleus.
Recall that in prokaryotes, the chromosomal DNA is not enclosed within a nucleus but is instead found in a specific area of the cytoplasm.
Identify this area as the nucleoid region, which is an irregularly-shaped region within the cell where the DNA is concentrated.
Recognize that other options like the nucleus, rough endoplasmic reticulum, and mitochondrion are organelles found in eukaryotic cells, not prokaryotic cells.
Conclude that the chromosomal DNA in prokaryotic cells is primarily located in the nucleoid region.
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