Biologically Synthesized Natural Polymers DNA, RNA- Genetic Information Proteins Enzymes or Structure Materials Polysaccharides Structure materials or Carbon and energy ° Polyhydroxy reserve materials alkanoate-PHA arbon and Energy Sources and more?Biologically Synthesized Natural Polymers • DNA，RNA • Proteins • Polysaccharides • Polyhydroxy￾alkanoate-PHA Genetic Information Enzymes or Structure Materials Structure materials or Carbon and Energy reserve materials Carbon and Energy Sources and more?