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Microbiology and Evolving science vocab 1-4

University of Oklahoma Vocab

45 cards·by Drwilde
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A polymer of galactose that is used as a gelling agent.
Agar
A molecule that can kill or inhibit the growth of selected microorganisms
Antibiotic
A chemical that kills Microbes
Antiseptic
One of the three domains of life with a last common ancestor not shared with the members of bacteria and Eukarya
Archaea
A prokaryotic members of the Archaea
Archaeon
Free of microbes
Aseptic
A device that uses pressureized steam to sterilize materials by raising the temperature above the boiling point of water at standard pressur
Autoclave
One of the three domains of life with a last common ancestor not shared with the members of Archaea or Eukarya
Bacteria
A prokaryotic organisim that is a member of the domain Bacteria
Bacterium
- A community of microbes growing on a solid surface
Biofilm
The serial passage of phatogentic organisms from an infected individual to and uninfected individual. Thus transmitting the disease
Chain of Infection
A theory stating that the products of oxidative metabolism store their energy in an electrochemical gradient that can drive processes such a
Chemiosmotic Theory
An organism that oxidizes inorganic compounds to yield high energy and reduce carbon dioxide
Chemolithotroph(Chemoautotroph)
A visible colony of microbes on a plate, all derived from a single founding microbe
Colony
A technique to determine the order of bases in a DNA sample
DNA sequencing
A microscope that obtains high resolution and magnification by focusing electron beams on samples using magnetic lenses
Electron Microscope
An organism that lives as a symboint inside another organism
Endosymbiont
The use of selective growth media to allow only certain microbes to grow
Enrichment Culture
One of the three domains of life, consisting of organisms with a last common ancestor not shared with members of Archaea or Bacteria. Cells
Eukarya
An organism whose cells contain a nucleus. All eukaryotes are members of the domain Eukarya.
Eukaryote
Also called Fermentative metabolism. The production of ATP via substrate-level phosophorylation, using orgaic compounds as both electron don
Fermentation
The complete genetic content of an organism The sequence of all the nucleotides in a haploid set of chromosomes
Genome
The global interconversion of various inorganic and organic forms of elements
Geochemical cycling
The theory that many diseases are caused by microbes
Germ Theory of Disease
An organism’s cellular defense system against pathogens
Immune System
Resistance to a specific disease/ the stimulation of an immune response by the deliberate inoculation with a weakened pathogen, in hopes of
Immunity(immunization)
Four criteria that should be met for a microbe to be designated the causative agent of an infectious disease
Koch’s postulates
Chemoautotroph
Lithotroph
The sum of genomes of a community of organisms
Metagenome
An organism or virus too small to be seen with the unaided human eye
Microbe
Diverging from a common ancestor
Monophyletic
The ability of some prokaryotes to reduce inorganic diatomic nitrogen gas(N2) to two molecules of ammonium ion( NH4 +)
Nitrogen Fixation
Also called POUR PLATE. A Round dish with vertical walls covered by an inverted dish ofslightly larger diameter. The smaller dish can be fi
Petri Dish
the metabolic ability to absorb and convert solar energy into chemical enegery for biosynthesis. CO2 fixation
Photosyntehsis
Having multiple evolutionary origins
Polypheltic
An organism whose cells lack a nucleus; bacteria and archaea
Prokaryote
A culture containing only a single strain or species of microorganism. A large number of microorganisms all derived from the same individual
Pure culture
DNA that has been combined with other DNA to make novel DNA sequences
Recombiant DNA
Restriction enzyme- A bacterial enzyme that cleaves double stranded DNA within a specific short sequence usually a palindrome
Restriction endonuclease
The theory much debated in the 19th century that under current Earth conditions, life can arise spontaneously from nonliving matter
Spontaneous Generation
The internalization of free DNA from the environment into bacterial cells
Transformation
A machine that exposes samples to high centrifugal forces and can be used to separate subcellular compounds
Ultracentrifuge
Exposure of an individual to a weakened version of a microbe to provoke immunity and prevent development of disease upon rexposure
Vaccination
a non-cellular particle containing a genome that can replicate only inside a cell
Virus
A tube containing a stratified environment that causes specific microbes to grow at particular levels; a type of enrichment culture for the
Winogradsy column