microbiology

Question 1

what is microbiology ?

Answer 1

this is the study of microbes or microorganisms

Question 2

what are microbes ?

Answer 2

microbes or microorganisms are small living things that ae usually unable to be viewed with the named eye

Question 3

what are koch’s postulates ?

Answer 3

pathogens must be present in all cases of the disease
pathogen must be isolated and grown in a lab in pure culture
pathogen from pure cultures must cause disease when inoculated into healthy, susceptible lab animal
same pathogen must be isolated from the diseased lab animal