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  • Author: R. M. Smith x
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Strategic Problems, Puzzles, and Paradoxes

The insect hormone ecdysterone stimulated dinitrogen fixation, heterocyst formation, cell size and protein synthesis in suspension cultures of the cyanobacterium Nostoc 6720 within 48 h when added to the culture at concentrations between 10-9 and 10-7 м. In the presence of the hormone the volume of vegetative cells increased by 6-fold and that of heterocysts by nearly twice as compared to untreated controls. All the observed effects were inhibited by the calcium- calmodulin inhibitor, trifluoperazine. Cholesterol used as a null control had no significant effect.


Our aim in this paper is threefold. First, we will set out a few broad observations on the use Apollodorus makes of the word 'Ελλάς in the surviving books and epitomes of the Bibliotheke, noting that his usage is restricted and that this restriction has larger implications for the overall structure of the work (I). Second, we will show that in one case (1. 47) the word has been widely misunderstood in the available translations and that the example provides a glimpse at Apollodorus' sources (II). Third, we will argue that in another case (1. 74) there has been an error in textual transmission and the word does not, in fact, occur at all (III).