Question: According to biochemical tests and oxygen usage, how would you identify and classify, respectively, the following microbes:
Staphylococcus aureus
Pseudomonas aeruginosa
Bacillus subtilis
Escherichia coli
Question: In 1835, Bassi showed that a fungus caused a silkworm disease, and in 1865 Pasteur discovered that a protozoan caused another silkworm disease. Why do we use Koch's postulates instead of Bassi's or Pasteur's postulates?