This a domain of prokaryotic cells possessing diacyl glycerol diester lipids in their membranes, bacterial rna, no nuclear membrane,

This a domain of prokaryotic cells possessing diacyl glycerol diester lipids in their membranes, bacterial RNA, no nuclear membrane, (domain bacteria)

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water