Chromosome - An organized structure of DNA and proteins within the nucleus of a cell that contains many genes.⏎
Autoimmune Disease - An umbrella term for a range of conditions in which the immune system mistakenly attacks healthy tissue in the body.⏎
Category A Agents - A class of biological agents that the Centers for Disease Control and Prevention views as posing the highest priority risk to U.S. national security.⏎
Bacilli - A taxonomic class of bacteria.⏎