Which of the following is not considered part of the "golden age" of microbiology?

A.First artificial vaccine is developed

B.Gram stain is devised

C, Viruses are defined

D.all of the above

Please do not guess I chose C but i think it was wrong

You’d help yourself if you followed directions and put your SUBJECT in the right place.

http://people.cst.cmich.edu/schul1te/208%20web/208lecture3.htm

To determine which option is not considered part of the "golden age" of microbiology, let's first understand what the golden age of microbiology refers to. The golden age of microbiology is generally considered to be the period between the mid-19th century and early 20th century, during which groundbreaking discoveries and advancements in the field of microbiology were made.

Now let's analyze each option provided:

A. First artificial vaccine is developed: This refers to the development of the first vaccine that was artificially created in a laboratory. Vaccination is an essential aspect of microbiology, and the development of the first artificial vaccine, like Louis Pasteur's creation of a rabies vaccine, is considered a significant advancement. This option is likely part of the golden age of microbiology.

B. Gram stain is devised: The Gram stain is a technique used to classify bacteria into two major groups - Gram-positive and Gram-negative. It was developed by Danish bacteriologist Hans Christian Gram in 1884. This staining technique has been instrumental in identifying and characterizing different bacterial species. Therefore, this option is also considered part of the golden age of microbiology.

C. Viruses are defined: The concept of viruses and their nature as infectious agents were discovered and defined during the early 20th century. This understanding marked a crucial milestone in microbiology. Therefore, option C is considered part of the golden age of microbiology as well.

D. All of the above: If option D were correct, it would mean that all of the options provided (A, B, and C) are considered part of the golden age of microbiology. However, we have determined that options A, B, and C are indeed part of the golden age of microbiology. Therefore, it appears that option D is incorrect.

Based on the analysis, it seems that there is no option that is not considered part of the golden age of microbiology. Therefore, you were correct in selecting option C.