| A | B |
| Genetic engineering | the application of molecular genetics for practical purposes |
| DNA technology | used to cure diseases, to treat genetic disorders, to improve food crops and many other ways to improve human life |
| restriction enzymes | bacteroa; enzymes used to cut DNA molecules into manageable pieces |
| sticky end | created by restruction enzyme to bind to complementary chains of DNA from a new sequence of nucleotides |
| cloning vector | carrier used to clone a gene and transfer it from on organism to another |
| plasmid | a ring of DNA found in a bacterium |
| donor gene | gene isolated from another organism |
| gene clon | an exact copy of a gene |
| insulin | protein that controls sugar metabolism |
| genomic library | thousands of DNA pieces from a genome that have been inserted into a cloning vector |
| recombinant DNA | combination of DNA from 2 or more sources |
| transgenic organism | a host organism receiving recombinant DNA |