A body's reaction to the introduction of foreign substances, through the production of defensive substances such as antibodies. A large molecule made up of a sequence of phosphorylated nitrogen-containing bases. DNA and RNA are both nucleic acids. A molecule consisting of a short chain of amino acids. A small, circular DNA molecule.
Bacteria can have plasmids in addition to the DNA of the main chromosome.
Foreign DNA can be added to plasmids. The modified plasmid then transports the DNA into a new cell. Substances, produced by microorganisms, which affect the functioning of another organism. The Australian Foundation for Science and the Science and Technology Awareness Program of the Commonwealth Department of Industry, Science and Resources are also supporters of Nova . This topic is sponsored by the Cooperative Research Centre for Vaccine Technology .