translate English to German: ) So the exact sequence of amino acids in certain parts of the chains can vary from species to species, and even given mutation s within a species, so long as the active sites are properly accessible. Also, whereas the formation of polyethylene occurs spontaneously under the right conditions, the synthesis of biopolymer s such as proteins and nucleic acid s requires the help of enzyme catalyst s, substances that facilitate and accelerate reactions.
Bei ataktischen Polymeren sind die Substituenten wahllos geordnet (eine Art Racemat ).