dna 原核 u t
A prokaryote is a typically unicellular organism that lacks a nuclear membrane enclosed nucleus.
The word prokaryote comes from the greek πρό pro before and κάρυον karyon nut or kernel.

Dna 原核 u t. In the two empire system arising from the work of édouard chatton prokaryotes were classified within the empire prokaryota. But in the three domain system based upon molecular analysis.













































































