نتایج جستجو برای: shabakah in botany
تعداد نتایج: 16977225 فیلتر نتایج به سال:
BACKGROUND The Annals of Botany is a peer-reviewed scientific journal publishing papers on a wide range of topics in plant biology. It first appeared in 1887, making it the oldest continuously published botanical title. The present article gives a historical account of events leading to the founding of the Journal and of its development over the first 50 years. SOURCES OF INFORMATION Much of ...
The geography and botany problems of irreducible nonspin symplectic 4-manifolds with a choice of fundamental group from {Zp,Zp⊕Zq,Z,Z⊕Zp,Z⊕Z} are studied by building upon the recent progress obtained on the simply connected realm. Results on the botany of simply connected 4-manifolds not available in the literature are extended.
Germinated pollen grains form pollen tubes that accomplish rapid polarized growth within female gametophytic tissues in order to deliver the sperm cell to the ovule. This process is essential for successful plant fertilization in vivo. Pollen tubes are considered to be an ideal model system to study tip growth. A more comprehensive understanding of proteins involved in pollen development, germi...
BACKGROUND Annals of Botany is a peer-reviewed plant biology journal. It was started in 1887, making it the oldest continuously published plant science title. A previous article [Jackson MB. 2015. One hundred and twenty-five years of the Annals of Botany Part 1: the first 50 years (1887-1936). Annals of Botany 115: : 1-18] summarized events leading to its founding, highlighted the individuals i...
The quality of botanical education depends on the and interests teacher. aim our paper was to conduct an initial study attitudes primary secondary school teachers about plants botany. We initiated a in which 211 biology 168 different subjects, from schools Croatia, participated voluntary basis. Statistical analysis processed using jamovi 2.3 software. Teachers all profiles (biology others) had ...
Saima Aslam BHARWANA, Shafaqat ALI*, Muhammad Ahsan FAROOQ, Naeem IQBAL, Amjad HAMEED, Farhat ABBAS, Muhammad Sajid Aqeel AHMAD Department of Environmental Sciences, Government College University, Faisalabad, Pakistan Department of Botany, Government College University, Faisalabad, Pakistan Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan Department of Botany, University of A...
K.K. NEWSHAM, W.P. GOODALL-COPESTAKE, R. OCHYRA, J. VÁŇA 5 British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, UK Polish Academy of Sciences, Institute of Botany, Bryology Laboratory, UI Lubicz 46, PL-31512, Krakow, Poland Charles University Prague, Department of Botany, Faculty of Science, Benátská 2, CZ-128 01 Prague 2, Czech 10 Repu...
penetrate. I looked for the usual introduction on "How to use this book", and did not find it, until page 39. Equally, it takes a little searching to find out why a large section of the listed material is not actually reproduced in the book, but is on the microfiche. Finally, the coverage of countries is heavily towards Britain and North America, although this is only explained in one of the es...
Obituary: COOPER and PROFESSOR R. A. BRINK, On the Obituary: Localization of Enzymes in Nerve Fibers: DRs. D. Alexander Lowy: DR. ALEXANDER SILVERMAN. NACHMANSOHN and H. B. STEINBACH .............................. 75 Orin F. Stafford: DR. F. L. SHINN. Recent Deaths 62 Scientific Events: Scientific Apparatus and Laboratory Methods: War Work of the Canadian Research Council; The A Color Reaction ...
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