Chromosome - An organized structure of DNA and proteins within the nucleus of a cell that contains many genes.⏎
Antibiotics - A class of drugs used to kill or inhibit the growth of disease-causing microorganisms. Typically antibiotics are used to treat infections caused by bacteria, but in some cases they are also used against other microorganisms, such as fungi and protozoa.⏎
Adaptive Mutation - A mechanism through which certain cells can increase the rate in which genetic mutations occur, often in response to stress. This mechanism may help explain how bacteria develop resistance to certain antibiotics.⏎
Cancer - A class of diseases in which abnormal cells divide without control and are able to invade healthy tissues in various parts of the body.⏎