TCC Nebauer Vocab 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Conjugation | Transfer of plasmid DNA from donor to recipient via a pilus
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| Obligate anaerobe | Organisms for which oxygen is poison
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| Prophage | Inactive virus within a cell that often incorporates it's DNA into the host chromosome
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| Lagging Strand | Strand of DNA that is synthesized discontinuously in replication
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| Vector | Nucleic acid molecules used to introduce foreign DNA or gene into a cell
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| Southern Blot | Where DNA molecules are transferred to a nitrocellulose membrane for screening
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| Methylation | Addition of methyl groups to one or two bases of a specific nucleotide squence
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| Halophile | Organisms requiring high Salt environments
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| Mutagen | Physical or chemical agents that may alter the normal DNA swquence
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| Mesophile | Organisms that grow best at temperatures between 20 C and 40 C
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| Plaque | Clear zone on a lawn of bacteria that indicates viral replication
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| R Factors | Genes on plasmid's that provide antibiotic resistance
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| Recombinant DNA | Contains homologous segments of DNA from two different genomes (or organisms)
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| Transformation | A cell takes up naked DNA from the environment and incorporates it into it's genome
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| Recombination | Exchange of homologous segments of DNA
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| Hfr Strain | Where an F plasmid is integrated into the bacterial chromosome at a specific site
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| Gel Electrophoresis | Method used to isolate fragments of DNA based on their size and charge
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| Reverse transcriptase | Viral enzyme tha makes copies of DNA from RNA designated cDNA
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| Nucleotide analogs | Compounds that are structurally similar to normal nucleotides
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| Reactive oxygen species | Oxidizing agents that are poisonous to anaerobes
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| Frameshift mutation | Insertion or deletion of nucleotide base pairs to cause a change in reading frame
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| F Factor | Plasmid containing a gene for conjugation pilus
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| DNA Fingerprinting | Method used to identify individuals by their unique DNA swquences
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| Polymerase chain reaction | Technique used to produce large number of identical DNA molecules in vitro
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| Transduction | Involves transfer of bacterial DNA from one cell to another via a replication virus
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| operon | Consists of a promoter, and operator and a series of functional genes
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| Competence | The ability to take up DNA from the environment and undergo transformation
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| Inclusion Bodies | Signs of viral presence in infected cells see primarily in the host cell nucleus
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| Log Phase | Period during which bacteria undergo rapid growth and reproduction
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| Thymine Dimer | Adjacent thymine bases covalently bond to one another causing a mutation
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| Transposon | DNA that moves form one location to another on the same or other chromosome
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| Ames test | A fast, inexpensive method for screening mutagens
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| Represor protein | Molecule that binds an operator to stop transcription of mRNA
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| Chemoautotroph | Use organic compounds for energy and carbon dioxide as a carbon sourse
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| Facultative | Orgnaisms that can survive either aerobically or anaerobically
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| Photoheterotroph | Use light as an energy source and organic compounds as a carbon source
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| Gene probe | Labeled nucleic acid molecules of specific
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| Bacteriophage | A virus that infects bacteria
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| Promoter | Location on an operon to which RNA poymerase binds.
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| Lysogenic cycle | Replication cycle in which virally-infected host cells grow and reproduce before lysis
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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