：Definition of MycoplasmaA:It is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.B:It is the smallest and simplest self-replicating prokaryote.C:It is an irregularly shaped region within the cell of a prokaryote that contains all or most of the genetic material.D:Cells have a cell nucleus and other organelles enclosed within membranes.E:It is folded invaginations in the plasma membrane of bacteria.答案: It is the smallest and simplest self-replicating prokaryote.8、