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T iny, membrane-bound packets of tinted protein, called melano-somes, dictate the color of human skin. Defi ciencies in melanosome production underlie pigmentation diseases, so it is important to understand how melanosomes are generated. But melanosomes are just one example of a larger family of lyso-some-related organelles, many of which are associated with pathologies when they are functional...
in this thesis we will present three topics. we define approximate fixed points in fuzzy normed spaces. also we obtain some necessary and sufficient conditions on the existence of? -fixed points for ? > 0. at the continue some results about approximate fixed points for a class of non-expansive maps on g-metric spaces are obtained and we define approximate fixed points in partial metric spa...
chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...
The chromosomes of the Anthropoid Apes, those of some species of Gibbons and those of many genera of the family Cercopithecidae have been described in the previous papers (Chiarelli 1962b, and c, 1963a). The chromosomes of all the species of the genus Cerco pithecus are dealt with in the present study. Data on the chromosomes of some of the species considered in this paper were already availabe...
abstract when in administrative law the matter of administrative offences are raised, these offences would have legal nature if they are force able, some of these offences are related to administrative law, where as some other pelts are common in civil or penal law. the current research intends not only to consider the concept and foundation of administrative execution rules but also compares...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...
SUMMARY The function of serum in the composition of culture media for trypano-somes was investigated with Trypanosoma cruxi. Serum supplies stearic acid, essential for the growth of this trypanosome. A liquid heat-steriliz-able medium, composed of peptone and known chemicals is described. The growth of T. cruxi in this medium reached 70 x lo8 trypanosomes/ml.
In their recent paper in Cell, Furuyama and Henikoff (2009) report that nucleosomes in centromeres may be right-handed, that is, they wrap DNA in a right-handed manner and induce positive supercoils. This raises intriguing new questions, such as how centromeric histone variants may be assembled into right-handed particles, and why chromatin would retain negative supercoiling in chromosome arms ...
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