Flashcards in 9 - Introduction to microbiology Deck (17):
Surface of teeth have what type of bacteria on them
Surface of tongue and soft tissues in the mouth have what bacteria on them
What do Koch's Postulates state?
1. Causative organism must be isolated from every individual suffering from the disease
2. Causative organism must be cultivated artificially in pure culture
3. Causative organism is inoculated from pure culture the typical symptoms of the infection must result
4. The causative organism must be recoverable
what are viroids?
plants can suffer infection from viroids
What causes spongiform encephalopathies?
E.g. of prion?
All fungi are eukaryotic and made of chitin
Tiny filaments from fungi are called
Hyphae forms mats called
Myecelia from compartments by cross walls known as
what shape are cocci?
what shape are bacilli?
Gram--ve has how much peptidoglycan
What do gram--ve bacteria have on their outer membrane?
Lipopolysaccharide - the sugars form the surface antigen of bacterium. Has lipid A which acts as an endotoxin
What are the hairlike structures around bacteria?
How do gram--ve bacteria exchange genetic materal
Through sex pili