graphite is the crystalline form of carbon used in lead pencils how many moles
Tài liệu Supply the correct form of the verbs1 docx
... want to live in a snake.14. My brother managed to kill the snake just at the time when I were almost exhausted. Supply the correct form of the verbs1. Cats could fly if they (have) wings.2. ... wish our teacher (explain) would explain that lesson to us again tomorrow.11. I can hear his voice so clearly that it is as if he (be) were here but the fact is that he isn't here.12. I ... raincoat.5. If today were a holiday, I would stay in bed for all day long.6. If she made him change his mind, she would save him a lot of trouble.7. I wish he would come tomorrow.8. I wish...
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Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx
... function of the pro -form of bone morphogenetic protein-2 (BMP-2), a member of the transforminggrowth factor b (TGFb) ⁄ BLP superfamily. The role of the 263 amino acids of the pro-peptide is currently ... tested. Interestingly, in contrast to mature BMP-2, proBMP-2did not lead to induction of AP. Instead, proBMP-2 inhibited the induction of AP by BMP-2. This result raised the question of whether ... to the ECD of BMPR-IA.Furthermore, the results indicate that both proteinsinteract with the same epitope on the ECD becauseproBMP-2 binding can be inhibited by BMP-2.To assess binding of...
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Tài liệu Research " The Dissertation Committee for Fang Yin Certifies that this is the approved version of the following dissertation: Business Value of Information Technology in the Internet Economy " doc
... be used to distinguish between the ability of players to leverage the new Internet economy. The key criterion used in this study is the type of product or service a firm offers on the Internet. ... collection The primary source of the data used in this study is the 10K form of the companies selected through Hoover’s Online, Inc. (http://www.hoovers.com). The company's Web site offers information ... years in business. t is included in the model to control for the maturity of a company. Companies operating in the Internet space are expected to improve their conduct of business over time. Since...
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Tài liệu Báo cáo khoa học: Rotary F1-ATPase Is the C-terminus of subunit c fixed or mobile? docx
... suggested the unwinding of the single a-helix at the C-terminal portion of c, thus allowingfor unimpaired rotation of the remainder of c.Furthermore, the calculations suggested the very end of c ... revealed the possibility of a‘functional unwinding’ of the a-helix to form a swivel joint.Furthermore, they suggested a firm clamping of that part of c even without the engineered cross-link, i.e. in ... (ab)3(this work). This wouldmake the proposed unwinding of the a-helix in c afeatureof the wild-type enzyme and an integral element of the catalyticmechanism. Such a permanent immobilization of the Correspondence...
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Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Bifidobacterium longum and its complex with fructose pot
... blades in the axisarea are of polar character. The water channel in the apo form of the enzyme runs along the axis of the b-propeller through the whole domain and is onlyblocked by Cys236 in the ... from the internal b-sheet of the b-sand-wich domain. The last four amino acids of the nativesequence at the C-terminus and the His-tag protrudefrom the b-sandwich domain and interact with the ... attack on the anomeric carbon of fructose. The leaving group is carboxylate of Asp54.Dimerization The asymmetric units of the crystals of both the apoand complexed form of the enzyme consist of dimerswith...
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Báo cáo khoa học: DNA polymerase e associates with the elongating form of RNA polymerase II and nascent transcripts pot
... between the hypophosphorylated initiation isoform IIA and the hyperphosphorylated elongating isoform IIO thatexhibits reduced electrophoretic mobility comparedwith the IIA isoform. Whereas the ... (b) correlation of the interaction with phosphorylation of Ser5 of the C-terminal domain hepta-peptide repeat, and (c) the ability of C-terminal domain kinase inhibitorsto abolish it. Polymerase ... carrying out the labelling procedure withoutprimary antibody. The efficiency of blocking was controlledby performing the labelling procedure in the absence of the second primary antibody. The...
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Báo cáo khoa học: Purification and structural study of the b form of human cAMP-dependent protein kinase inhibitor pdf
... regulation of the PKIand PKI isoforms of the inhibitor protein of the cAMP-dependentprotein kinase. J. Biol. Chem. 272, 20011–20020.20. Byler, D.M. & Susi, H. (1986) Examination of the secondarystructure ... addi-tional isoforms of the endogenous protein kinase inhibitor of cAMP-dependent protein kinase in mouse. J. Biol. Chem. 268,10927–10931.10. Olsen, S.R. & Uhler, M.D. (1991) Inhibition of protein ... causesdissociation of the holoenzyme complex and release of two active C subunits [1,2]. In addition, there is a second level of regulation of cAPKactivity by protein kinase inhibitors (PKIs). The...
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Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot
... that the cleft of the active site will be located in the interface between the two structural domains of CPY and would be filled by the propeptide, thus uniting the two domains in a body, as if the ... indicating that CPY is composed of two structural domains, while proCPY would be composed of a single fragile domain. The propeptide of the proenzymewould be located at the interface of the two ... peak (Fig. 1A), indicating that the thermalunfolding process of the precursor form follows a two-statetransition. The ratio of the unfolding enthalpy (DHcal)tothevan’t Hoff enthalpy (DHv)...
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Báo cáo khoa học: Isothermal unfolding studies on the apo and holo forms of Plasmodium falciparum acyl carrier protein Role of the 4¢-phosphopantetheine group in the stability of the holo form of Plasmodium falciparum acyl carrier protein docx
... chaotrope-induced unfolding was almost fullyreversible in both forms of the protein. Removal of the perturbation makes the protein regain its native form. The unfolding reactions of both forms are ... in the unfoldingthermodynamic parameters of the two forms are given in Tables 1–3. In the entire experimental regime, it is seen that the holo form presents better stability than the other form ... (Fig. 4C). The DG of stability is on anaverage 20% greater in the case of the holoprotein ascompared to the apoprotein. Similarly, the Cm of the holo form always lies above the apo form at all...
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THE PERFORMANCE OF CREDIT RATING SYSTEMS IN THE ASSESSMENT OF COLLATERAL USED IN EUROSYSTEM MONETARY POLICY OPERATIONS pot
... mechanisms to show how well the rating source estimates the probability of default. This is generally done using statistical tests to check the significance of the deviation of the realised ... follows. In Section 2 the statistical framework forming the basis of a default generating process using binomial distribution is briefly reviewed. In Section 3 we derive the probability of default ... pool consists of NY rated entities with the same rating grade at the beginning of a year Y. In our case NY denotes the number of entities rated “A” at the beginning of year Y. The cohort...
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What Is the Cognitive Neuroscience of Art… and Why Should We Care? ppt
... work in the elds of aesthetics and the philosophy of art; building diversity and inclusiveness in these elds; raising the prole of aesthetics and the philosophy of art within the profession ... neuroaesthetics. This new branch of empirical aesthetics is often dened as the study of the neural processes underlying aesthetic experience. In other words, the job of neuroaestheticians is to discover ... implicit tracing of the draftsman’s hand in drawings to an embodied listening in audiovisual works or an explicit feeling of co-embodiment in dance or theatre per-formances. The notion of ‘inner...
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Báo cáo khoa học: Crystal structure of the soluble form of the redox-regulated chloride ion channel protein CLIC4 doc
... treatment of microsomes containingCLIC4 results in a 27 kDa reduction in the size of the protein, leaving a 6 kDa fragment [4]. This supports the hypothesis that the integral membrane form of the ... C-terminus,while Arg206 is on the top of the molecule, in the loopleaving helix 6 and it points in the opposite directionto the other basic residues (Fig. 2B). The structure of the NLS is almost ... to the side chain of Asn81. The intervening residues of the C-terminalextension interact with the neighboring monomer viahydrophobic contacts.Comparison with the structure of the solubleform...
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Báo cáo khoa học: "What is the Minimal Set of Fragments that Achieves Maximal Parse Accuracy?" potx
... accuracy. Many stochastic parsing models use linguisticintuitions to find this minimal set, for example byrestricting the statistical dependencies to the locality of headwords of constituents (Collins1997, ... considers counts of subtrees of a wide range of sizes in computing the probability of a tree: everything from counts of single-level rules to counts of entire trees. Thismeans that the model is sensitive ... t is converted into a context-free rule rwhere the lefthand side of r corresponds to the root label of t and the righthand side of rcorresponds to the frontier labels of t. Indices linkthe...
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Báo cáo khoa học: "TWO THEORIES FOR COMPUTING THE LOGICAL FORM OF MASS EXPRESSIONS" doc
... sentences as Wine is wine (two readings, both analytic) Wine is a wine (false) All wine is wine (analytic) Claret is a wine (true) Cheap wine is a wine (false) *All wine is a wine (semantically ... "objects". In this last group we have in mind mass predicates such as is wine. is furniture, is food, and is computer software. Both of these theories take it that is wine is true of the (abstract) ... quantity of wine. (This ring is goM or This hamburger is food are clearer examples of the application of mass predicates to objects.) Generally speaking, the theories view the kinds of M as forming...
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