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Microbiology is the study of organisms that are too small to be seen with the unaided eye: Bacteria, Archaea, viruses, and unicellular eukaryotes. To study microbiology is to pursue the breadth of biology, as microorganisms provide experimental material for understanding physiology; cell structure and function; biochemistry; molecular biology; photosynthesis; ecology; evolution; genetics; development; and even simple behavioral responses and "memory." Studies with microorganisms continue to lay the foundation for molecular genetics, recombinant DNA research, biotechnology, environmental sciences, and many areas of biochemistry.

Graduate Field of Microbiology

The Graduate Field of Microbiology at Cornell is one of the few graduate programs in the country in which there is a strong emphasis on prokaryote biology, the study of the fundamental properties of Bacteria and Archaea. Learn more

Undergraduate Concentration in Microbiology

Microbiology is a concentration within the Biological Sciences program. Learn more about the Microbiology concentration and research opportunities for undergraduate students.