noun. a unicellular organism having cells lacking membrane-bound nuclei; bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma.
1. Noun, singular or mass This means that during cell division, a eukaryote must keep track of more things than does the prokaryote. 2. Adjective coli_ bacteria offer an example of how much scientists have been able to learn about prokaryote ribosomal structure.