thảo luận nhóm đôi xác định vị trí các cao nguyên và bồn địa ở châu phi xác định vị trí các con sông lớn ở châu phi nêu đặc điểm của hoang mạc xa ha ra nêu đặc điểm của xa van
government policies and the efficiency of markets
... the most In contrast, when prices are not controlled, the rationing mechanism is efficient (the goods go to the buyers that value them the most) and impersonal (and thus fair) 12 Example 2: The ... Case Study (cont’d) Fair-Trade Coffee with Price Floor Question: Suppose that a one-pound bag of standard coffee costs $8 and that a one-pound bag of fair-trade coffee costs $12 Congress decides ... This lowers the consumer’s opportunity cost of choosing fair-trade coffee – Therefore, some consumers of the inexpensive brands will opt for fair-trade instead As a result, fair-trade producers...
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Tài liệu Báo cáo khóa học: Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b pdf
... single transmembrane helix that spans the membrane parallel to cytochrome b, interacting extensively with transmembrane helices G and H1 and also interacting with helix a of cytochrome b parallel ... Molecular Cloning: a Laboratory Manual, 2nd edn Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 29 Phillips, J.D., Graham, L.A & Trumpower, B.L (1993) Subunit of the Saccharomyces cerevisiae ... fluorographs containing the immunodetected proteins were scanned and quantified using an Imaging Densitometer GS-700 from Bio-Rad Other methods Protein concentrations were determined by the Bradford...
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Tài liệu Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 docx
... capital gains The second concept of tax rates is the average tax rate, which is the proportion of all income that is paid in taxes An examination of the trend in the average tax rate provides information ... 17 Contacts Author Contact Information 20 Congressional Research Service Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 T he U.S unemployment rate has ... tax base, raising tax rates, or a combination of the two would be required Income tax rates have been at the center of recent policy debates over taxes Some have argued that raising tax rates, especially...
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Tài liệu Báo cáo Y học: Purification, characterization, immunolocalization and structural analysis of the abundant cytoplasmic b-amylase from Calystegia sepium (hedge bindweed) rhizomes ppt
... of b-amylases To con rm the possible interaction between the carbohydrate-binding protein and the polysaccharidedegrading enzyme the hedge bindweed b-amylase was purified, characterized and immunolocalized ... room temperature After washing the membrane with Tris/NaCl/Pi for the membrane was consecutively treated with rabbit primary antibody (overnight incubation at room temperature), goat anti-(rabbit ... rotamer library [34] and the search algorithm implemented in the HOMOLOGY program [35] to maintain proper side chain orientation The program TURBOFRODO (Bio-Graphics, Marseille, France) was used...
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Báo cáo khoa học: Functional analysis of a murine monoclonal antibody against the repetitive region of the fibronectin-binding adhesins fibronectin-binding protein A and fibronectin-binding protein B from Staphylococcus aureus pot
... interacts with fibrinogen and elastin [23], whereas the C-terminal repetitive region binds Fn [26] On the basis of sequence alignment, it has been predicted that FnBPB contains 10 rather than ... increasing concentrations of NTD were passed over the chip These showed that motifs and 10 of both adhesins interacted with the NTD, with dissociation constants (KD) in the nanomolar range at physiological ... it was hypothesized that the FnBPA-9 repeat harbors a more discrete binding site that is capable of interacting with 15E11 To validate this assumption, we constructed subfragments of FnBPA-9 by...
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Báo cáo khoa học: Functional analysis of the aglycone-binding site of the maize b-glucosidase Zm-p60.1 pot
... structures has provided indications that the enzymes’ specificity toward substrates with aryl aglycones is conferred by the aromatic aglycone system stacking with W373, and van der Waals interactions ... aglycone-binding site [13,15] In addition, kinetic analysis and computer simulations of F193I ⁄ Y ⁄ W mutants have demonstrated that F193– aglycone–W373 interactions not only contribute to aglycone ... substrates The data are consistent with our previous results indicating that F193–aglycone–W373 interactions not only contribute to aglycone recognition, but also codetermine catalytic rates...
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Báo cáo khoa học: Functional analysis of cell-free-produced human endothelin B receptor reveals transmembrane segment 1 as an essential area for ET-1 binding and homodimer formation pptx
... preparations Eur J Pharmacol 345, 339–342 43 Hay DL, Poyner DR & Sexton PM (2006) GPCR modulation by RAMPs Pharmacol Ther 109, 173–197 44 Wada K, Hashido K, Terashima H, Adachi M, Fujii Y, Hiraoka ... being unable to disintegrate membranes, and they are tolerated by the CF transcription ⁄ translation machinery in amounts far exceeding 100 · critical micellar concentration [15] The quality ... stained with 2% (w ⁄ v) uranyl acetate For this, a dilution series of the protein at constant detergent concentration was generated to obtain an optimal protein concentration on the grid Images...
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chronopotentiometric stripping analysis of gelatinase b, collagen and their interaction
... acid concentration However acidic conditions (pH 0.5 – 1.5), can negatively influence the native structure of a protein Usha and Ramasami found charge repulsion disrupts the stability of rat tail ... selected for the following experiments The shape of the dependence of the CPSA peak height on MMP-9 concentration was obtained (Fig 3C) Concentration ranging from to 10 nM MMP-9 assigned a linear ... Their Interaction Fig Characterization of single MMPs according to their structural differences their interaction by using chronopotentiometric stripping analysis with adsorptive transfer stripping...
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Who Pays? A Distributional Analysis of the Tax Systems in All 50 States docx
... nominally graduated income tax rates that don’t mean much in practice The state’s top tax rate of percent is not much lower than Louisiana’s top rate — but the top rate kicks in at just $6,000 of taxable ... using a graduated rate structure is not enough to guarantee an income tax that is progressive overall Some graduated-rate income taxes are about as fair as a flat tax — and some nominally graduated ... Index Total taxes as a share of income are post-federal offset What Makes a State’s Tax System Regressive? What characteristics states with particularly regressive tax systems have in common? Looking...
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Báo cáo Y học: Heterologous expression and folding analysis of a b-tubulin isotype from the Antarctic ciliate Euplotes focardii ppt
... containing CCT that emerged from the ATPagarose were pooled and concentrated by ultrafiltration (Centricon 30, Amicon Inc., Beverly, MA, USA) Approximately 250 lL of the concentrated material was ... CCT; the second polypeptide may correspond to another CCT subunit of E focardii that contains epitope(s) similar to that/those of the a-subunit These results indicate that a chaperonin containing ... containing TCP-1: structural and functional characterization Biochemistry 36, 5817–5826 Melki, R (2001) Nucleotide-dependent conformational changes of the chaperonin containing TCP-1 J Struct...
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Báo cáo khoa học: Sulfoquinovosylmonoacylglycerol inhibitory mode analysis of rat DNA polymerase b pdf
... polymerase b, as a function of the DNA template-primer and the nucleotide substrate concentrations Rat DNA polymerase b was 0.05 units Substrate conc (lM) Compound (lM) Kma (pmoặh)1) Vmaxa Kib ... to a nal concentration of mm The 8-kDa domain was passed through a DEAE-Sepharose column (Amersham) and then puried on a Hi-Trap SP-Sepharose column by elution with a concentration gradient of ... mutant proteins were puried on a Hi-Trap SP-Sepharose cation exchange column (Amersham) by elution with a concentration gradient of 01 m potassium chloride Preparation of the isotope labeled 8-kDa...
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Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 (Updated) pptx
... gains The second concept of tax rates is the average or effective tax rate, which is the proportion of all income that is paid in taxes An examination of the trend in the average tax rate provides ... 2006 Congressional Research Service Taxes and the Economy: An Economic Analysis of the Top Tax Rates Since 1945 Contents Top Tax Rates Since 1945 Top Statutory Tax Rates and the Economy ... an additional dollar of income that is paid in federal income tax Economic theory posits that it is the marginal tax rate, not the average (effective) tax rate, that affects decisions regarding...
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Budget Impasse Hinges on Confusion among Deficit Reduction, Tax Increase, and Tax Reform: An Economic Analysis of Dual Capacity and Section 199 Proposals for the U.S. Oil and Gas Industry ppt
... Tobin tax to restrain production of a harmful product Note, however, such consideration has not been the central focus of the debate Moreover, if such consideration were a central focus then logic ... that shift consciously and manage the transition rather than face Greek-style popular uprisings in the face of sudden large-scale changes 17 From an economic perspective, policies that encourage ... reading,” Economist, September 10, 2009 63 Id 64 Id 26 set the reform machine in motion Several countries that have been racked by civil wars, including Rwanda, Afghanistan and Sierra Leone, have...
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high resolution separation and analysis of biological macromolecules, part b
... the charged character of a cation-exchange sorbent would confer on it considerable hydrophilic character, such a column should be examined for possible peptide separations by HILIC Classic examples ... reversed-phase conditions 1°ga Hydrophilic Interaction Chromatography Hydrophilic interaction chromatography (HILIC) has been promoted as a novel chromatographic mode for application to the separation ... cation-exchange standards Standard Chromatographic Conditions for hm-Exchange HPLC of Peptides Flow rates of 0.5-2.0 ml/min are favored for analytical ion-exchange separations 14"4~'The choice of gradient...
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Báo cáo sinh học: " Phosphoproteomic analysis of apoptotic hematopoietic stem cells from hemoglobin E/b-thalassemia" pot
... Sirankapracha P, Thephinlap C, Srichairatanakool S, Arab K, Kalpravidh R, Vadolas J, Fucharoen S, Bartsch H: Accumulation of lipid peroxidation-derived DNA lesions in iron-overloaded thalassemic ... with levels in the lymphocytes of thalassemia patients Int J Cancer 2009, 125(4):759-766 Meerang M, Nair J, Sirankapracha P, Thephinlap C, Srichairatanakool S, Fucharoen S, Bartsch H: Increased urinary ... S, Arambepola M, Perera W, O’Donnell A, Peto TE, Viprakasit V, Merson L, Muraga G, Weatherall DJ: Hemoglobin E beta thalassaemia in Sri Lanka Lancet 2005, 366:1467-1470 Winichagoon P, Fucharoen...
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Báo cáo sinh học: " Spectratyping analysis of the islet-reactive T cell repertoire in diabetic NOD Igμnull mice after polyclonal B cell reconstitution" potx
... Journal of Translational Medicine 2011, 9:101 http://www.translational-medicine.com/content/9/1/101 mechanism has been shown in the past to generate autoimmune responses [8,27] Second, autoimmunity ... 14 weeks old NOD.Igμnull mice that had been reconstituted with B cells NOD and unreconstituted age-matched NOD.Igμnull animals were used as controls Cyclophosphamide treatment causes depletion ... Translational Medicine 2011, 9:101 http://www.translational-medicine.com/content/9/1/101 Page of 10 Figure Spectratyping profile of B cell-reconstituted NOD.Igμnull mice following cyclophosphamide...
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o cáo hóa học:" Phosphoproteomic analysis of apoptotic hematopoietic stem cells from hemoglobin E/b-thalassemia" pptx
... Sirankapracha P, Thephinlap C, Srichairatanakool S, Arab K, Kalpravidh R, Vadolas J, Fucharoen S, Bartsch H: Accumulation of lipid peroxidation-derived DNA lesions in iron-overloaded thalassemic ... with levels in the lymphocytes of thalassemia patients Int J Cancer 2009, 125(4):759-766 Meerang M, Nair J, Sirankapracha P, Thephinlap C, Srichairatanakool S, Fucharoen S, Bartsch H: Increased urinary ... S, Arambepola M, Perera W, O’Donnell A, Peto TE, Viprakasit V, Merson L, Muraga G, Weatherall DJ: Hemoglobin E beta thalassaemia in Sri Lanka Lancet 2005, 366:1467-1470 Winichagoon P, Fucharoen...
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o cáo hóa học:" Spectratyping analysis of the islet-reactive T cell repertoire in diabetic NOD Igμnull mice after polyclonal B cell reconstitution" docx
... Journal of Translational Medicine 2011, 9:101 http://www.translational-medicine.com/content/9/1/101 mechanism has been shown in the past to generate autoimmune responses [8,27] Second, autoimmunity ... 14 weeks old NOD.Igμnull mice that had been reconstituted with B cells NOD and unreconstituted age-matched NOD.Igμnull animals were used as controls Cyclophosphamide treatment causes depletion ... Translational Medicine 2011, 9:101 http://www.translational-medicine.com/content/9/1/101 Page of 10 Figure Spectratyping profile of B cell-reconstituted NOD.Igμnull mice following cyclophosphamide...
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báo cáo hóa học:" The HIV-1 Non-subtype B Workgroup: An International Collaboration for the Collection and Analysis of HIV-1 Non-subtype B Data" pot
... differences that have been identified in small cohorts, the response to antiretroviral therapy among non-B infected persons is adequate and certainly comparable to subtype B infected persons Several groups[10-13] ... receptor polymorphisms, pharmacogenomic markers, and immune response diversity (HLA), each contribute to the natural history and response to treatment within an individual In general, subtype B ... for resistance surveillance programs and epidemiologic studies (see poster MoPeC3446 from the 15th International AIDS Conference) Conclusion Thousands of well-characterized sequences within each...
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Báo cáo hóa học: " Research Article Analysis of Gene Coexpression by B-Spline Based CoD Estimation" pot
... based on the random dataset This process is repeated 10,000 times under the condition that the parameters k and M are kept constant, and the resulting histogram of CoD-B shows that it can be ... level was significantly lower than, similar to, or greater than the respective control threshold [11, 14] Since some genes had small natural range of variation, z-transformation was used to normalize ... estimation of mutual information from continuous microarray data [23], a generalized indicator function based on B-spline has been proposed to get more accurate estimation of probabilities By treating...
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