| A | B |
|---|
| bacterium | unicellular microorganism that does not have a nucleus |
| gene | basic unit of heredity |
| genetic engineering | process in which genes are transferred between organisms |
| GMO | genetically modified organism |
| hormone | chemical messenger that travels through the blood |
| plasmid | bacterial DNA in the form of a ring |
| protein | substance used to build and repair cells; made up of amino acids |
| recombinant DNA | new piece of DNA produced by combining parts of other DNA |
| resistant | being hardy or resilient to the effects of some condition |
| vaccine | the deliberate introduction of an antigen to stimulate immunity |
