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45 Cards in this Set
- Front
- Back
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when gal operon is turned on...
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bio operon is turned on
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genetic fusion
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genetic engineering that allows transposition of genes from one location on a chromosome to another location; the coupling of genes from two different operons
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operon
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sequence of closely associated genes that includes both structural genes and regulatory sites that control transcription.
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resistance plasmid
(R Factor) |
plasmid that carries genes that provide resistance to a specific antibiotic or toxic metal
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Resistance Transfer Factor (RTF)
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a component of a resistance plasmid that implements transfer by conjugation of the plasmid
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Polymerase Chain Reaction (PCR)
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A way of amplifying DNA
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For a virus to grow it has to be ...
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inside a cell
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_____ _____ allow viruses to recognize things
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tail fibers
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A virus is host specific meaning that
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a virus in humans wont affect a virus is dogs
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What parts of the virus make contact with the cell wall?
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The plate and the pin
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Genome
(function) |
carries the genetic information necesary for replication of new phage particles.
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Tail Sheath
(function) |
retracts so that the genome can move from the head into the host cell's cytoplasm
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plate and tail fibers
(function) |
attach phage to specific receptor sites on the cell wall of a susceptible host bacterium
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host range
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sometimes a virus will only affect one cell type in a host.
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Virulent phage
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always kills the host
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Resistance Gene
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a component of a resistance plasmid that confers resistance to a specific antiobiotic or toxic metal.
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temperate phage
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may exist as a prophage in a lysogenic state
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lysogenic
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a state of DNA integration into a host cell.
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prophage
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the DNA of a lysogenic phage that has integrated into the host cell's chromosome.
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Virus head is made of ______ and is called a _______.
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protein; capsomere
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Viroids
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Short RNA molecules (246-399 bases). Exist in nucleoli as naked RNA. do not code for any proteins.
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Prion
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a small infection particle consisting of a protein without any nucleic acid
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Virus
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a submicroscopic, parasitic, acellular microorganism composed of a nucleic acid (DNA or RNA) core inside a protein coat
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Fungus
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the kingdom of nonphotosynthetic, eukaryotic organisms that absorb nutrients from their environment
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Parasite
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an organism that lives in or on, and at the expense of, another organism
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Hypersensitivity
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an allergic reaction to molds and spores
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Mycotoxicoses
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poisoning of man and animals by feeds and food products contaminated by fungi which produce toxins from the grain substrate
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Ergotamines
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rye and other cereals- induce abortions through uterine contractions- regulated dosage helps relieve migranes
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Mycetismus
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the ingestion of preformed toxin (mushroom poisoning)
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Infection
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the multiplication of a parasite organism, usually microscopic, within or upon the host's body.
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Resistance Gene
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a component of a resistance plasmid that confers resistance to a specific antiobiotic or toxic metal.
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temperate phage
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may exist as a prophage in a lysogenic state
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lysogenic
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a state of DNA integration into a host cell.
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prophage
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the DNA of a lysogenic phage that has integrated into the host cell's chromosome.
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Virus head is made of ______ and is called a _______.
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protein; capsomere
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Viroids
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Short RNA molecules (246-399 bases). Exist in nucleoli as naked RNA. do not code for any proteins.
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Prion
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a small infection particle consisting of a protein without any nucleic acid
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Virus
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a submicroscopic, parasitic, acellular microorganism composed of a nucleic acid (DNA or RNA) core inside a protein coat
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Fungus
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the kingdom of nonphotosynthetic, eukaryotic organisms that absorb nutrients from their environment
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Parasite
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an organism that lives in or on, and at the expense of, another organism
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Hypersensitivity
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an allergic reaction to molds and spores
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Mycotoxicoses
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poisoning of man and animals by feeds and food products contaminated by fungi which produce toxins from the grain substrate
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Ergotamines
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rye and other cereals- induce abortions through uterine contractions- regulated dosage helps relieve migranes
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Mycetismus
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the ingestion of preformed toxin (mushroom poisoning)
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Infection
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the multiplication of a parasite organism, usually microscopic, within or upon the host's body.
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