nucleoid

Prokaryotic DNA region

A nucleoid is the region within a bacterial cell where the genetic material is concentrated.

Unlike the nucleus of more complex cells, the nucleoid has no surrounding membrane—the DNA simply occupies an irregular zone in the cell's interior.

The nucleoid contains the bacterium's single circular chromosome.

prokaryotic

bacteria

Nucleus-free single-celled organisms

plasmid · unicellular · microorganism · microbiology · bacillus

genetic

genome

Organism's total hereditary material

operon · polymerase · genes · RNA · regulation · mutation · segregation

structure

condensed

Made more compact

organelle

plastid

Plant cell organelle

Opposites
membrane organization

nucleoidnucleus

Central controlling part

nuclear envelope

Family

nucleotide, nucleolus, nucleoplasm, nucleotides

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