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Transcription of ram sperm chromatin was examined by two electron microscopic techniques, namely spreading and thin sections. Labelling by Streptavidin-gold particles permits identification of… (More)
A whole mount electron microscopic technique facilitated a direct visualization of transcripts in ram spermatozoa in run-on experiments. The localization of transcripts in sperm chromatin by… (More)
Ram spermatozoa are sensitive to temperature alterations and are easily damaged during cryoconservation. The plasma membranes are often considered to be the primary site at which injury in the cells… (More)
In this paper we introduce a ternary operation with certain qualities on a set ofk−1 elements and prove that it generates a biplane withk points on a block, and also that any (finite) biplane withk… (More)
A histochemical investigation was carried out after Gomori's method on the activity and localization of the alkaline and acid phosphatase in the testis and epididymis of 28 calves of the… (More)
A histologic investigation was carried out of the testis and epididymis of a total of 42 calves of the Black-and-white grouped in 14 test groups. The animals were currently castrated after the age of… (More)