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Name: Josh
Status: Student
Grade:  6-8
Location: NC
Country: United States
Date: April 2006

Why do some bacteria not have a nucleus?

Bacteria are prokaryotic organisms which by definition contain no nucleus. Instead, they contain a large circular DNA molecule which can carry information for several thousand genes.

Ron Baker, Ph.D.

Bacteria are primitive life forms that did not evolve to put things in neat places.


No bacteria have nuclei. They are prokaryotes, which translates to "before the nucleus". Their DNA is found in the cytoplasm.


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