1Chemistryandsynthesis1.1ProductionandcontrolofmaterialsThesedaystherecanbefewpeoplewhodonotknowthatproteinsaredefinedbyDNA.DNAismadeoftwostrands,eachofwhichhasalongit,likeastringoffairylights,sidebranchesthatmeetbetweenthestrandsandholdthemtogether.