variable genes

نتایج جستجو برای: variable genes

تعداد نتایج: 676006 فیلتر نتایج به سال:

Variable number of repeat units in genes encodingTrypanosoma cruziantigens

Journal: :FEBS Letters 1989

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oligoclonal expression of t-cell receptor beta variable genes in normal human endometrium

Journal: :iranian journal of allergy, asthma and immunology 0

pouneh dokouhaki alireza razavi rosa moghaddam firoozeh akbariasbagh marefat ghaffari novin amirhassan zarnani

in spite of their key role in various immunological processes occurring in the endometrium, t cells- especially + subtype- residing in this mucosal tissue, have not been extensively explored. we present here the profile of expressed genes for variable region of chain of t cell receptor (tcr) in normal endometrium as compared to peripheral blood. samples from endometrium were taken from norm...

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Modifier Genes and HNPCC: Variable phenotypic expression in HNPCC and the search for modifier genes

Journal: :European Journal of Human Genetics 2008

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this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this study examined the effect of prior knowledge and vocabulary teaching on iranian efl learners listening comprehension. the current study has two purposes: one is to investigate the effect of background knowledge on the second language listening comprehension of iranian intermediates and the other is to determine whether second language is facilitated by the introduction of unknown vocabularies in the form of prelistening activities. to conduct the study different instruments such as listening proficiency test and four listening tests such as pre and posttests were used and various statistical processes and techniques including paired-sample t-test, and analysis of variance (anova) were used. the findings of this study supported all three hypotheses tested. differences were found between the means of preteaching vocabulary variable, the background knowledge activation variable, and mean difference between these two strategies variable. subjects scored higher when the unknown words were taught in advance. likewise, subjects scored higher when they were asked some relevant questions about the topic than on those without them. there was, in addition, a significant difference between the means of preteaching vocabulary strategy and background knowledge activation strategy. in fact, preteaching vocabulary had a better effect in enhancing the students’ listening comprehension, in comparison to background knowledge activation strategy.

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

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this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...

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Variable number of repeat units in genes encodingTrypanosoma cruziantigens

oligoclonal expression of t-cell receptor beta variable genes in normal human endometrium

Modifier Genes and HNPCC: Variable phenotypic expression in HNPCC and the search for modifier genes

Variable RXR requirements for thyroid hormone responsiveness of endogenous genes

Variable methylation of the ribosomal RNA genes of the rat

Targeting Pemphigus Autoantibodies through their Heavy-Chain Variable Region Genes

Variable number tandem repeats mediate the expression of proximal genes

Trypanosome variable surface glycoproteins: composite genes and order of expression.

Evolution of immunoglobulin kappa chain variable region genes in vertebrates