Ôn thi Viên chức Tài liệu ôn thi Y sĩ Y học cổ truyền

Tài liệu LUẬN VĂN THẠC SĨ TOÁN HỌC " LÝ THUYẾT ĐỒ THỊ VÀ GIẢ THUYẾT ERDOS-SZEKERES " doc

... (V × V ) ii) Đồ thị G” = (V, E”) với E” ⊆ E gọi đồ thị riêng đồ thị G Ví dụ 1.2 Hình 1.2 Đồ thị thứ hai đồ thị đồ thị đầu Định nghĩa 1.2.4 i) Hai đỉnh đồ thị G gọi liên thông đồ thị có đường ... báo [10], luận văn Lí thuyết Đồ thị Giả thuyết Erdos -Szekeres cố gắng phác thảo mối quan hệ thú vị ba đối tượng ¨ toán học Luận văn gồm chương: Chương : Trình bày khái niệm lí thuyết đồ thị Các ... câu hỏi mở giả thuyết "big ¨ Số hóa Trung tâm Học liệu – ĐHTN http://www.lrc-tnu.edu.vn line and big clique" lí thuyết đồ thị (xem [10]) Như vậy, lí thuyết đồ thị, Định lí Ramsey giả thuyết Erdos...

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Tài liệu Báo cáo Y học: Targeting of malate synthase 1 to the peroxisomes of Saccharomyces cerevisiae cells depends on growth on oleic acid medium pptx

... Application of the antibody to thin sections of wild-type cells grown on oleic acid medium Fig SKL is required to direct Mls1p to the peroxisomes under oleic acid- medium conditions (A) Speci®city of the ... issue of the partitioning of the glyoxylate cycle in cells grown under fatty acid- medium conditions has hitherto remained open We showed here that one of the key glyoxylate-cycle enzymes, Mls1p, ... location of the glyoxylate cycle in yeast grown on carbon sources other than fatty acids The only other key enzyme unique to the glyoxylate cycle, Icl1p, is also extra-peroxisomal [4], as are the...

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Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot

... (1993) The effect of cross-linking of the subunits of NADPH -protochlorophyllide oxidoreductase on the aggregational state of protochlorophyllide Photosynthetica 29, 205–218 Wiktorsson, B., Ryberg, ... The effect of the presence of the adenylates on the ability of POR-PChlide640 to undergo photoconversion was checked by comparing the efficiency of photoconversion of PLB samples containing excess ... isolate the contribution of the pH- driven conformational changes from the other effects, a parallel study was carried out on the low- pH induced blue shift in the PChlide absorption maximum of nonphotoconverted...

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Tài liệu Báo cáo Y học: Studies on the nonmevalonate pathway of terpene biosynthesis The role of 2C-methyl-D -erythritol 2,4-cyclodiphosphate in plants docx

... group of Glu207 into phytoene (the main labeled component of the lipidsoluble fraction) is systematically diminished by the addition of increasing amounts of [1-3H ]2C-methyl-D -erythritol 4-phosphate ... Formation of 4-(cytidine 50 -diphospho)-2-C-methyl-D -erythritol from 2-C-methyl-D -erythritol 4-phosphate by 2-C-methyl-D -erythritol 4-phosphate cytidyltransferase, a new enzyme in the nonmevalonate ... H (2000) Studies on the nonmevalonate pathway: formation of 2-C-methyl-D -erythritol 2,4-cyclodiphosphate from 2-phospho4-(cytidine 50 -diphospho)-2-C-methyl-D -erythritol Tetrahedron Lett 41,...

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Tài liệu Báo cáo Y học: Toxicity of substrate-bound amyloid peptides on vascular smooth muscle cells is enhanced by homocysteine docx

... mechanisms of smooth muscle cell loss in vascular amyloidosis Our studies show that homocysteine, a risk factor for certain cardiovascular diseases, can increase susceptibility of VSMC to Ab toxicity ... solution [48] The aggregation of Ab is thought to be significant in Alzheimer pathogenesis since it correlates with neuronal toxicity in vitro [41–43] This may apply to myotoxicity as Wisniewski ... peptides, this toxicity is exacerbated This effect of homocysteine and Ab has also been shown in primary cortical neurons [66] and in neuroblastoma cells [67] This indicates that homocysteine may induce...

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Tài liệu Báo cáo Y học: Mutations in the docking site for cytochrome c on the Paracoccus heme aa3 oxidase Electron entry and kinetic phases of the reaction pptx

... binding domains by chemical modification J Biol Chem 253, 149–159 Rieder, R & Bosshard, H.R (1980) Comparison of the binding sites on cytochrome c for cytochrome c oxidase, cytochrome bc1 and cytochrome ... Zhen, Y. , Hoganson, C. W., Babcock, G.T & Ferguson-Miller, S (1999) Definition of the interaction domain for cytochrome c on cytochrome c oxidase I Biochemical, spectral, and kinetic characterization ... (1998) Tryptophan 121 of subunit II is the electron entry site to cytochrome c oxidase in Paracoccus denitrificans – involvement of a hydrophobic patch in the docking reaction J Biol Chem 273,...

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Tài liệu Báo cáo Y học: Differential effects of arachidonoyl trifluoromethyl ketone on arachidonic acid release and lipid mediator biosynthesis by human neutrophils pot

... studies by demonstrating that inhibition of LTB4 and PAF biosynthesis by AACOCF3 occurs without concomitant inhibition of AA release Generation of the common precursor pool by CoA-IT occurs by the ... activation is accompanied by an increase in PAF biosynthesis via acetylation of 1-alkyl-2-lyso-GPC by acetyl transferase (Fig 8, f) activity, competition for 1-alkyl-2-lyso-GPC intermediate by various ... constitutes the bulk of the fatty acid at the sn-2 position of 1-alkyl-2-acyl-GPC under resting conditions [70] Upon cell activation, most of this AA is replaced by other fatty acids Finally,...

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