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viruses & bacteria


virus Is an infectious particle made only of a strand of DNA or RNA surrounded by a protein coat.
pathagen Any living organism or particle that can cause a infectious disease.
viroids Are infectious particles that cause disease in plants.
prion Is an infectious particle made only of proteins that can cause other proteina to folde incorrectly.
capsid Is made up of gentic material surrounded by a protein shell .
bacteriophages Are viruses that prey on bacteria.
lytic infection Is an infection pathway in which the host cell bursts, releasing the new viral offspring into the host's system.
lysogenic infection A phage combineds its DNA into the host cell's D
prophage Is the phage DNA inserted into the host cell's DNA.
epidemic Is a rapid outbreak of an infection that affects many people.
vaccine Is a substance that stimulates the bodys's own immune response aginst invation by microbes.
retrovirus Is a virus tha contains RNA and uses an enzyme called revers transcriptas to make a DNA copy.
obligate anaerobe Prokaryotes that cannot live in the presence of oxygen.
oblegate aerobes Organisms that need oxygen in their enviroment .
facultative aerobe Can survive whether oxygen is present in the enviroment or not.
palsmid Is a small piece of genetic material that can replicate separately from the prokaryot's maine chromosome.
flagellum Is a long, whiplike structure outside of the a cell that is used for movement.
conjugate Prokaryotes can exchange parts of their chronosomes through a hollow bridge of pili formed to connect two or more cells.
endospore A specialized cell with a thick, protective wall .
biromediation A process that uses microbes and other living things to break down pollutants.
toxin a poision released by an organism.
antibiotics work by stopping bacteria from making cell walls.
Created by: countryduck