noun
- the region in a prokaryotic cell that contains the genetic material but is not surrounded by a nuclear membrane
Usage: biology
Examples
- The bacterial nucleoid contains the cell’s DNA in a compact form.
- Unlike eukaryotic cells, prokaryotes have their genetic material organized in a nucleoid rather than a nucleus.
- Scientists studied the structure of the nucleoid using electron microscopy.
- The nucleoid region appears less dense than the surrounding cytoplasm.
- DNA replication occurs within the nucleoid of bacterial cells.
- The nucleoid lacks the membrane-bound organization found in eukaryotic nuclei.