نتایج جستجو برای: nineteen century

تعداد نتایج: 122991  

Journal: :Journal of Research of the National Bureau of Standards 1937

Journal: :The Plant journal : for cell and molecular biology 2015
Hongtao Ji Shuangfeng Wang Kexue Li Dóra Szakonyi Csaba Koncz Xia Li

The stem cell niche in the root meristem maintains pluripotent stem cells to ensure a constant supply of cells for root growth. Despite extensive progress, the molecular mechanisms through which root stem cell fates and stem cell niche activity are determined remain largely unknown. In Arabidopsis thaliana, the Pleiotropic Regulatory Locus 1 (PRL1) encodes a WD40-repeat protein subunit of the s...

Jamshidi, Hamid Reza,

Medical education play an important role in health of people in 20st-century, but this system has to change overtime. Medical education must respond to not only the demand of community at larg but also to changing in new technologies. Medical education have been criticized in last two decades of 20st-century, because of producing too many specialists focus on treatment instead of health, insuf...

Journal: :The Annuals of Japanese Political Science Association 1984

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