Oral Microbiology Flashcards
(22 cards)
An organism that does not require oxygen for growth and that is highly sensitive to the toxic effects of oxygen
Anaerobe
A measure of the reducing power of a system
Redox potential
One of the first bacterial coloniser of the human mouth
Streptococcus oralis
An interaction between two organisms in which one member derives benefit and the other is unaffected
Commensalism
A disease involving destruction of the tooth through bacterial acid production
Caries
An accumulation of microbes and their extracellular polymers on a surface
Biofilm
A complex glycolipid that comprises the outer leaflet of the outer membrane of gram-negative bacteria
Lipopolysaccharide
Protein containing oligosaccharides covalently linked via serine or threonine residues
Glycoprotein
In physiological terms, the dynamic situation in which the organism or microbial community, as a system, remains the same despite changing external conditions.
Homeostasis
The main structural component of the cell wall of most bacteria
Peptidoglycan
An organism that produces acid end-products of metabolism
Acidogenic
An organism that does not have a membrane-bound nucleus
Prokaryote
An interaction between two organisms in which one member derives benefit and the other is harmed
Parasitism
The movement of a cell towards or away from a chemical
Chemotaxis
Total genetic information carried by a cell or organism
Genome
An organism whose chromosomal DNA is enclosed within a membrane thereby forming a distinct nucleus
Eukaryote
The degree of pathogenicity of an organism
Virulence
Complex surface appendage that enables a bacterium to move
Flagellum
Consortium of interacting micro-organisms
Microbial community
An enzyme capable of of cleaving bacteria peptidoglycan
Lysozyme
The observable characteristics of an organism
Phenotype
Polysaccharide or protein matrix associated the bacterial cell surface
Capsule
