Chromosome - An organized structure of DNA and proteins within the nucleus of a cell that contains many genes.⏎
Bronchial Tubes - Large tubes that carry air into smaller branches of the lungs after the air has passed through the mouth, nasal passages, and windpipe.⏎
Antibiotic Resistance - The process through which pathogenic microorganisms, by way of genetic mutation, develop the ability to withstand exposure to the drugs that had once been successful in eradicating them.⏎
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.⏎