Chapt. 1
Father of Microbiology
Who is Louis Pasteur?
Time required for a cell to divide
What is generation time?
Destruction of harmful microbes on living tissue
What is antisepsis?
Ability to distinguish two points as separate
What is resolution?
Fully developed viral particle
What is a virion?
Naming system with Genus + species
What is binomial nomenclature?
Microbes that grow in the fridge
What are psychrotrophs?
Machine using steam under pressure for sterilization
What is an autoclave?
Cell structure where prokaryotic DNA is found
What is the nucleoid?
Viruses that infect bacteria
What are bacteriophages?
Using microbes to clean pollution
What is bioremediation?
Growth phase with no division, just metabolic activity
What is the lag phase?
Radiation that forms thymine dimers in DNA
What is UV light (nonionizing radiation)?
Step in Gram stain where alcohol removes dye from Gram– cells
What is the decolorizer?
Virus strongly associated with cervical cancer
What is HPV?
Theory that life comes only from preexisting life
What is biogenesis?
Media that suppresses unwanted microbes but supports target microbes
What is selective media?
Chemicals that cross-link proteins (formaldehyde, glutaraldehyde)
What are aldehydes?
Theory that mitochondria & chloroplasts originated from prokaryotes
What is the endosymbiotic theory?
Infection where virus remains dormant, then reactivates
What is a latent infection?
Postulates that prove microbes cause disease
What are Koch’s postulates?
Direct method of microbial measurement using colonies
What is plate count method?
Test where disks soaked in disinfectants are placed on bacteria plates
What is disk-diffusion (Kirby-Bauer)?
Process where bacteria form resistant dormant structures
What is sporulation (endospore formation)?
Infectious proteins with no nucleic acid
What are prions?