منابع مشابه
Family Treasures
This is a book, designed for popular consumption, that lists a number of normal characters held to be inherited in man. Many traits are scarcely "treasures," as might be inferred from the title. They pertain chiefly to physical characters, especially those of the face and other readily inspected areas. Much of the material would appear to have been obtained from students in the author's class o...
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An underwater mountain that forms the world’s thirdlargest atoll has some of the richest diversity of marine life ever found in the Caribbean, according to scientists who recently explored the area. The two-week expedition in January encountered new species of fish, seaweed and other ocean life at little-studied Saba Bank Atoll, a coral-crowned seamount 250 kilometers southeast of Puerto Rico i...
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چکیده این تحقیق " مواد درسی " را به عنوان یکی از بحث برانگیزترین موضوعات آموزش زبان تلقی کرده و درتلاش است به سه سوال عمده پاسخ دهد: 1) آیا بکارگیری جزوات گرداوری شده توسط گروهی از مدرسین تاثیر بسزایی در میزان توانش خواندن و درک متون انگلیسی دانشجویان پزشکی دارد؟ 2) آیا استفاده از مواد درسی اصلی( بین المللی )، توانش خواندن و درک متون انگلیسی دانشجویان پزشکی را به طور چشمگیری تحت تاثیر قرار م...
15 صفحه اولThe Heart Reveals Its Treasures
In recent years, microRNAs (miRs) have caused a true revolution in the cardiovascular research field. miRs are a class of highly conserved, small noncoding RNAs. They are transcribed from “normal” genes, and their precursor transcripts are enzymatically processed to a mature and active form by Drosha/Dgcr8 and Dicer enzyme complexes.1–3 miRs fine tune the expression of 30% to 50% of the protein...
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ژورنال
عنوان ژورنال: Nature
سال: 2010
ISSN: 0028-0836,1476-4687
DOI: 10.1038/465037b