Nucleic acids contain the genetic code.
It's fused into natural mixes by autotrophs and enters the dirt when living beings die.
no hydrophobic and hydrophilic refer to phospholipids in the cells membrane. A nonpolar molecule is a molecule which has no separation of charge, so no positive or negative poles are formed. In other words, the electrical charges of nonpolar molecules are evenly distributed across the molecule.
It's a mutualism relationship because both species can benefit from each other.
The general theory is that mitochondria and chloroplasts began initially as separate cells that were "eaten" by larger cells, but not digested and simply passed on due to their advantages.<span />
