2.The smallest and simplest cell: mycoplasma 细胞质 细胞质膜 RNA 核糖体 DNA 内含物 cell membrane; ribosomes(the only kind of organelle); RNAS; a circular double stranded DNA. smallest volume,small genome,no cell wall, laboratory contaminant...... This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information