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viruses & bacteria
vocab
Term | Definition |
---|---|
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. |