Microbiology
is the study organisms too small to be seen with the human eye
1st to discover microbial world
Germ theory
contagious and infectious diseases are caused by microorganisms
Nomenclature
Microbial World (size)
Protest: eukaryotes cells
Bacteria
Virus
Prions (protein)
Virus
nonliving elements consisting of DNA/RNA coated by a protein coat
Viroids
smaller than viruses and NO protein coat
- generally cause plant disease
Prions
abnormal shape of infectious proteins (NO nucleic acid)
- responsible for 7 neurodegenerative diseases