Multiple Choice
In a typical prokaryotic cell, where is the cell's DNA primarily located?
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1. Overview of Cell Biology
Prokaryotic Cell Architecture
Multiple Choice
In a typical prokaryotic cell, where is the cell’s chromosomal DNA primarily located?
A
Within mitochondria dispersed throughout the cytoplasm
B
In the nucleoid region (a non-membrane-bound area of the cytoplasm)
C
Inside a membrane-bound nucleus enclosed by a nuclear envelope
D
Packaged in membrane-bound lysosomes for storage and recycling
Verified step by step guidance1
Understand that prokaryotic cells differ from eukaryotic cells in that they lack membrane-bound organelles such as a nucleus and mitochondria.
Recall that in prokaryotic cells, the chromosomal DNA is not enclosed within a membrane-bound nucleus but is instead found in a specific region of the cytoplasm.
Identify this region as the nucleoid, which is a non-membrane-bound area where the cell's chromosomal DNA is concentrated.
Recognize that mitochondria and lysosomes are membrane-bound organelles found in eukaryotic cells, not prokaryotes, so DNA is not located there in prokaryotes.
Conclude that the chromosomal DNA in a typical prokaryotic cell is primarily located in the nucleoid region within the cytoplasm.
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