منابع مشابه
Dystroglycan Versatility
cytoskeleton, thus stabilizing the muscle as it alternately Martin E. Hemler Dana-Farber Cancer Institute contracts and relaxes. In particular, the a-dystroglycan protein binds to the extracellular matrix protein Boston, Massachusetts 02115 laminin-2, while b-dystroglycan spans the membrane and links directly to dystrophin, and other cytoskeletal proteins in the dystrophin family (Figure 1A). T...
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Abstract: In the late 70's, in reaction to both "New Math" movement in the United States and "mechanistic mathematics education" approach to mathematics education in Netherland, Realistic Mathematics Education (RME) has been introduced by Freudenthal and his colleagues. In this educational approach, Freudenthal considered mathematics as a human activity. Based on this approach, education should...
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BACKGROUND Lesions in perineal area are common. The usual treatment is coverage by skin graft and flaps which may be local, pedicled or free types. In this paper V-Y flaps were used to cover the defects. METHODS V-Y flaps were used in the gluteal area in 15 patients. Lesions were due to different causes. RESULTS Of 15 patients, 11 were males and 4 were females. Their ages ranged from 3...
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This empirical study addresses the problem of how Commercial-offthe-Shelf (COTS), tailored, and Modified-off-the-Shelf (MOTS) software contracting has been approached, in practice. The focus of the study is on analyzing different contractual characterizations of the three models of software business. The empirical part of the study was completed by analyzing twelve software producing companies ...
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The ways that mathematics teachers listen to students’ explanation, influence their understanding of students and their teaching activities. If teachers be informed about different ways of “listening” to students’ ideas and conceptions concerning mathematics, they might be able to use listening as an effective teaching method to enhance students’ mathematical learning. The related literature in...
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ژورنال
عنوان ژورنال: Nature
سال: 1969
ISSN: 0028-0836,1476-4687
DOI: 10.1038/223107c0