cds/isis: structure, pros, and cens
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Arms together, CENs apart
putative calcium channel specific to sperm tails may be the best target yet for a male contraceptive. The protein, dubbed CatSper, was discovered in a homology search by David Clapham and colleagues of Harvard Medical School, Boston, MA. CatSper looks like a calcium channel, although Clapham could not detect a calcium current in transfected cells, probably because another component of the chann...
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In a variety of pathogens, drug resistance and aneuploidy are intimately associated. Anueploidy is believed to alter the dosage of certain genes that can impart drug resistance. Generation of a new chromosome by duplication of chromosome segments followed by telomere addition in a pathogenic yeast Candida glabrata [1] and isochromosome formation by breakage of chromosome 5 at the centromere fol...
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هدف از انجام این تخقیق بررسی رابطه احتمالی بین سطح مهارت زبان خارجی (foreign language proficiency) و ساختار مهارت زبان خارجی بود. تعداد 314 زبان آموز مونث و مذکر که عمدتا دانشجویان رشته های زبان انگلیسی در سطوح کارشناسی و کارشناسی ارشد بودند در این تحقیق شرکت کردند. از لحاظ سطح مهارت زبان خارجی شرکت کنندگان بسیار با هم متفاوت بودند، (75 نفر سطح پیشرفته، 113 نفر سطح متوسط، 126 سطح مقدماتی). کلا ...
15 صفحه اولA hitchhiker's guide to survival finally makes CENs
Most strains of the yeast Saccharomyces cerevisiae contain many copies of a 2-microm plasmid, a selfish autonomously replicating DNA that relies on two different mechanisms to ensure its survival. One of these mechanisms involves the high fidelity segregation of the plasmids to daughter cells during cell division, a property that is starkly reminiscent of centromeres. A new study reported in th...
متن کاملPros & Cons
As scientists who are also clinicians, we should approach research work and clinical therapy with an objective attitude, bearing in mind that there are two sides to every theory. In particular, we hope the reader realizes the pros and cons of each situation. We already knew that the patients in the hospital might improve faster with more family contact, but family in the intensive care unit cou...
متن کاملCreep Feeding – Pros and Cons
“To creep or not to creep?” That is the question that many Mississippi beef producers wrangle with in managing calf nutrition. Producers often have several arguments for either allowing calves creep supplementation access or for keeping creep access off limits. A 1996 survey conducted by USDA’s National Health Monitoring System reported that 19.5% of cow-calf operations in the Southeast utilize...
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عنوان ژورنال:
مطالعات ملی کتابداری و سازماندهی اطلاعاتجلد ۷، شماره ۴، صفحات ۵۹-۷۴
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