the.com/prokaryote
Life stripped to the studs: no nucleus, no organelles, just chemistry with ambition.
means A single-celled organism — like a bacterium — whose DNA floats free in the cell rather than being tucked inside a nucleus.
from Built from Greek pro- ('before') and karyon ('kernel' or 'nut', the root also behind 'karyotype'), with -ote borrowed from the same stock that gives us 'eukaryote'. Coined in the 20th century by biologists needing a clean label for cells without a nucleus, the term literally casts bacteria as life 'before the nut' — evolutionarily and structurally ahead of the nucleus's arrival.
- origin
- predates nucleus by about 1.5 billion years
- dna storage
- floats loose in cytoplasm, no membrane bothered
- population
- bacteria and archaea, most of life's biomass
- reproduction
- binary fission, no sex required or offered