you answered your own question??? what
I think it may be this but not quite sure
Lipids are primarily hydrophobic in nature, but there are a large variety of lipids such as fatty acids, mono-, di-, and triglycerides, for example (check wikipedia for more examples).
<span>Proteins are polymers of amino acids. </span>
<span>Nucleic acids are polymers of nucleotides.</span>
Elements pass from one organism to another and among parts of the biosphere through closed loops called biogeochemical cycles, which are powered by the flow of energy.
