Prokaryote — Science definition
A member of Bacteria or Archaea whose cell lacks a membrane-bound nucleus. Its DNA is organized in a nucleoid; ribosomes and membranes support coordinated functions.
Where it is taught
- Prokaryotic & Eukaryotic Cells & Their Organelles — Cells, Membranes & Exchange, Life Science: Biology, Grade 10
In use
A prokaryote — every bacterium and archaeon — lacks a membrane-bound nucleus and the typical eukaryotic organelle system.
Prokaryotic & Eukaryotic Cells & Their Organelles