Sentence:  Will advances in human sciences help us build social structures and governments which will enable us to cope with people as effectively as the primitive combination of <WSD>protein</WSD> and nucleic acid built a structure of molecules which enabled it to adapt to a sea of molecular interaction ? 
Meaning of the word marked with <WSD> tags:  any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes