Robert Koch Contributed to the Field of Microbiology by Being

Question

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

Accepted Answer

Robert Koch is renowned for his contributions to microbiology, including developing the tuberculin test for tuberculosis, formulating the four postulates (Koch's postulates) that establish the causal relationship between a microorganism and a disease, and pioneering the use of agar as a solidifying agent in growth media, which revolutionized the cultivation and study of bacteria.