Robert Koch contributed to the field of microbiology by being the first person to
A. develop the tuberculin test.
B. formulate four postulates for definitively linking a specific microorganism to a specific disease.
C. use agar as a solidifying agent in growth media.
D. develop the tuberculin test, formulate four postulates for definitively linking a specific microorganism to a specific disease, and use agar as a solidifying agent in growth media.
Answer:D
Robert Koch contributed to the field of microbiology by being the first person to
A. develop the tuberculin test. B. formulate four postulates for definitively linking a specific microorganism to a specific disease. C. use agar as a solidifying agent in growth media. D. develop the tuberculin test, formulate four postulates for definitively linking a specific microorganism to a specific disease, and use agar as a solidifying agent in growth media.