منابع مشابه
Electron Microscopy of the Macronucleus of Euplotes Eurystomus
that the macronucleus of Euplotes is excellent material for studying relations between DNA, RNA, and protein synthesis during nuclear replication. Replication bands normally originate at the two tips of the long, rod-shaped macro-nucleus during the early hours of interphase and progress as two waves of D N A synthesis until they meet in the center. In the light microscope one sees that two mark...
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In the identification process of weed materials available in "IRAN" herbarium, a specimen belonging to the genus Lactuca (Asteraceae) had the following characteristics: Plant annual, many stemmed from base; stem erect-slightly procumbent, slender, glabrous, whitish and leafy. Basal leaves dried; stem leaves ca. 7 × 0.5 cm, glabrous, linear-lanceolate, entire at margin, sessile, auriculate, auri...
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These notes comment on Williams’ fundamental essay Notes on Conditional Previsions, written as a research report in 1975 and published in the present issue. Basic aspects of that work are discussed, including historical background and relevance to the foundations of probability; examples are supplied to help understanding.
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In this paper, we associate canonically a precyclic mod- ule to a regular multiplier Hopf algebra endowed with a group-like projection and a modular pair in involution satisfying certain con- dition
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The results showed that Pileolaria terebinthi, type species of the genus Pileolaria is not a hemi–form or brachy–form rust species as mentioned among literature by several authors. Study on miscellaneous specimens collected from Iran and locus classicus of the species, France, revealed that P. terebinthi is an automacrocyclic rust and its aecial state is not uredinioi...
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ژورنال
عنوان ژورنال: Ibis
سال: 2008
ISSN: 0019-1019
DOI: 10.1111/j.1474-919x.1891.tb08603.x