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  • 1
    Electronic Resource
    Electronic Resource
    Toward a molecular taxonomy (1971)
    Springer
    Journal of molecular evolution 1 (1971), S. 97-111 
    Details
    ISSN: 1432-1432
    Keywords: Molecular Evolution ; Taxonomy ; Molecular Information Measures ; Ensemble Information Source ; Entropy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The concepts of a super information source and ensemble averaging are used to estimate the amount of information stored in protein andt-RNA sequences. Specifically applied to cytochrome c and hemoglobins, information measures analogous to those found to be highly significant for DNA pair frequency data (D 2 vs.R) by Gatlin (1968) prove to be extremely highly correlated with organism complexity. Super source stability and the possible taxonomic utility of the extraordinary clusterings obtained are discussed. A restriction on the construction of ancestral sequences and a possible handle on homology are also detailed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01659397
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Psychopharmacological action of nicotinamide adenine dinucleotide (1970)
    Springer
    Psychopharmacology 17 (1970), S. 198-202 
    Details
    ISSN: 1432-2072
    Keywords: Nicotinamide Adenine Dinucleotide ; Variable Interval Schedule ; Sidman Avoidance ; Sedative Effects ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of nicotinamide adenine dinucleotide (NAD) upon the response rates in variable interval and Sidman Avoidance schedules was studied in rats. Bar pressing on the variable interval reinforcement schedule was significantly reduced during the 15 min following the administration of 10 mg/kg i.p. and during the 60 min following the administration of 30 mg/kg NAD. Response rates on the Sidman Avoidance schedule were significantly reduced during the 60 min following the administration of 100 mg/kg NAD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00402710
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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