Lokhu kulingisa kunikeza ithuba lokuprakthiza inqubo yokunquma e-lab nge-internet. Ama-restriction enzyme asetshenziswa ukunquma imicu ye-DNA yama-plasmid amabili, aveze izingcezu ze-DNA ezinamaphethelo alengayo ahambelanayo angaphinde ahlanganiswe ukwakha i-plasmid ehlanganisiwe.