factors controlling the growth form of spartina alterniflora
WETLAND PLANTS: BIOLOGY AND ECOLOGY - CHAPTER 4 pot
... When the tracer was injected into the upper end of the young leaves’ petioles, the tracer moved quickly to the lower end of the petiole, through the rhizome, and then up through the petioles of the ... (Figure 4.5) Their height often corresponds to the mean high water level and the highest part of the knee is exposed to air much of the time Most of the oxygen brought into the plant from the knees ... angiosperms are concentrated in the epidermis The surface of the submerged leaf is the site of most of the plant’s photosynthesis The mesophyll serves mainly for the storage of starch or oils (Sculthorpe...
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Tài liệu Supply the correct form of the verbs1 docx
... a snake.were / wouldn't want 14 My brother managed to kill the snake just at the time when I (be) almost exhausted If he (be) a little late, I (kill) by the snake.was / had been / would have ... a snake 14 My brother managed to kill the snake just at the time when I (be) had been almost exhausted If he (be) had been a little late, I (kill) would have been killed by the snake 15 Had I ... in a snake 14 My brother managed to kill the snake just at the time when I were almost exhausted If he had beena little late, I would have killed by the snake 15 Had I know you were ill, I (visit)would...
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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
... interested in the role of the 263 amino acid pro-peptide of BMP-2, because evidence accumulated over recent years has shown that the pro-forms of growth factors can modulate the activities of the mature ... case of pro-neurotrophins, for example, they can even elicit completely opposite effects to those of the mature growth factors by binding to pro -form- specific receptors [9–11] The pro-peptide of the ... increasing concentrations of the growth factors in the pre-incubations (Fig 3C,D) These data confirmed that proBMP-2 binds specifically to the ECD of BMPR-IA Furthermore, the results indicate that...
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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
... In the first step of the enzymatic reaction, a nucleophilic attack is performed on the anomeric carbon of the sugar substrate by the carboxylate of the Asp54 acting as the primary nucleophile, forming ... anomeric carbon of fructose The leaving group is carboxylate of Asp54 Dimerization The asymmetric units of the crystals of both the apo and complexed form of the enzyme consist of dimers with ... results of MS of recombinant b-fructofuranosidase are close to the theoretical value of the molecular mass A peak of molecular ion at m ⁄ z = 58 879 Da was observed on the MALDITOF mass spectrum The...
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Báo cáo khoa học: DNA polymerase e associates with the elongating form of RNA polymerase II and nascent transcripts pot
... coprecipitated only the slowly migrating form of RNA pol II (Fig 1) This suggested that Pol e associates with the RNA pol IIO isoform To characterize further the phosphorylation status of the RNA pol ... isoform IIO that exhibits reduced electrophoretic mobility compared with the IIA isoform Whereas the polyclonal antiRNA pol II antibody precipitated both the fast and slowly migrating forms of ... Following phosphatase treatment, the cellular fraction of RNA pol II that associated with Pol e showed increased mobility, corresponding to that of isoform IIA The isoform IIO was also lost from RNA...
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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 PKI and PKI isoforms of the inhibitor protein of the cAMP-dependent protein kinase J Biol Chem 272, 20011–20020 Byler, D.M & Susi, H (1986) Examination of the secondary structure of ... for further study The concentration of the proteins was determined by the method of Lowry et al [14] and the purity was examined by SDS/PAGE [15] Assay of human PKIb activity The activity of purified ... Characterization of PKI gamma, a novel isoform of the protein kinase inhibitor of cAMPdependent protein kinase J Biol Chem 272, 18169–18178 Gamm, D.M & Uhler, M.D (1995) Isoform-specific differences in 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 of its unglycosylated form, though the DV and DGP values were almost the same The Pm value of proCPY was higher than that of its unglycosylated form This is due to the higher DV value of the ... that the precursor form was less thermally stable than the mature form, regardless of the carbohydrate moiety After the temperature was lowered from the highest temperature tested to 25 °C, the ... (Fig 1A), indicating that the thermal unfolding process of the precursor form follows a two-state transition The ratio of the unfolding enthalpy (DHcal) to the van’t Hoff enthalpy (DHv) was 1.05...
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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
... between the two proteins (as indicated by the values of DGwater, Cm and Tg) hence arise from the changes in the surface of the protein because of the interactions of the cofactor with the protein ... are comparable, the Tg values of the proteins vary slightly; there is a difference of almost C between the Tg values of the proteins, the value being higher for the holo form There have been ... unfolding thermodynamic parameters of the two forms are given in Tables 13 In the entire experimental regime, it is seen that the holo form presents better stability than the other form (Fig 4C) The...
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A study in the growth mechanism of silicon nanowires with or without metal catalyst
... with the catalyst This results in formation of only a few of SiNWs The reaction temperature is usually decided with the consideration of the catalyst type According to the binary phase diagram of ... absorption of vaporphase silicon atoms The continuous absorption induces the supersat- uration of the formed liquid alloy with silicon atoms, which leads to nucleation and growth of a SiNW [19] Therefore, ... on the growth of SiNW Furthermore, the gas flow and temperature difference have simultaneously important effects We now analyze the detailed growth process in the following sections Firstly, the...
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on the growth sequence of highly ordered nanoporous
... stages of anodization However, it is assumed that the pits formed in the electropolishing contributing in the nucleation of pores on the aluminium in the order of 1010 to 1012 [18] Fig shows the ... removing the first oxide layer The uniform hemispherical shape of barrier layer covers the substrate surface Anodizing the sample for the second time develops the pore growth exactly on the concave ... seen in the topological studies The misfit dislocation of the pores interrupts the periodic arrangement of the pores As another important result, the domains size is changed as a function of time...
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Báo cáo khoa học: Crystal structure of the soluble form of the redox-regulated chloride ion channel protein CLIC4 doc
... structure of the soluble form of CLIC4 the backbone and side chain of Asn34 and the side chain of Lys24 This crystal contact stabilizes the structure of the leading side of the foot loop The putative ... the side chain of Asn81 The intervening residues of the C-terminal extension interact with the neighboring monomer via hydrophobic contacts Comparison with the structure of the soluble form of ... reduction in the size of the protein, leaving a kDa fragment [4] This supports the hypothesis that the integral membrane form of the protein has a single transmembrane region near the N-terminus...
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Báo cáo khoa học: "TWO THEORIES FOR COMPUTING THE LOGICAL FORM OF MASS EXPRESSIONS" doc
... (Note also the comprehensive denotation of edible) No other theory we know of can account for the validity of these two arguments Both of these theories take it that is wine is true of the (abstract) ... assigning the same logical form to both theories Nonetheless, the meaning postulates of the two theories will differ for these.) In addition to the sorts of examples stated above, both these theories ... true of unions of elements of the semilattice) These predicates are not only true of the conventional kinds but also of conventional servings such as the bottle of wine on the table or the 250ml...
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Báo cáo khoa học: Mapping the binding domains of the aIIb subunit A study performed on the activated form of the platelet integrin aIIbb3 pot
... [43] The present study further illustrates the importance of the eightpeptide sequence 57–64 in maintaining the inhibitory effect of the original 20-peptide aIIb 49–68 The N-terminal region of the ... that of the RGDS, used as a positive control (Table 1) We next investigated whether the above inhibitory effects of our peptides are a result of their interaction with the activated form of aIIbb3 ... were performed in the presence of PAC-1, a ligand-mimetic anti-aIIbb3 that contains the RYD sequence (an RGD mimic) in the CDR3 region of the heavy chain PAC-1 binds to the activated form of aIIbb3...
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Báo cáo khoa học: The soluble form of the membrane-bound transferrin homologue, melanotransferrin, inefficiently donates iron to cells via nonspecific internalization and degradation of the protein pdf
... °C The cells were then washed and reincubated with new medium for up to h at 37 °C The release of the 125I-label into the efflux medium from the cells was then assessed (Fig 7) The release of ... proportion of the 125I released (Fig 7A) may be derived from the diffusion of low Mr 125I from the cells In contrast, the slower release of 125I-Tf (Fig 7B) was consistent with the efflux of the 4442 ... of conjugates compared to free agents [49,50] It is possible that the use of the conjugate may enable the delivery of the agent to the lysosomal compartment that then results in degradation of...
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scientific american - 1993 04 - controlling the quantum jitters of atoms
... stable, the high birth rates of the baby boom postponed the aging of the population by widening the base of the age structure again As the baby boomers grow older, however, the average age of the ... in the same direction The pencils therefore form a layer with the erasers on one side and the points on the other A second layer forms simultaneously on top of the Þrst in such a way that the ... processes are at the time of their disregulation and the ability of the organism either to compensate for or to repair the damage If the damage disrupts the regulation of cell growth or diÝerentiation,...
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báo cáo hóa học:" Intrinsic and extrinsic factors influencing the clinical course of B-cell chronic lymphocytic leukemia: prognostic markers with pathogenetic relevance" docx
... Studies of the molecular structure of the BCR in CLL are suggesting evidences of a promoting role of the antigen encounter A first evidence has been provided by analysis of IGHV genes starting in the ... involved in the DNA repair and its inactivation impairs the response of CLL cells to chemotherapy [26,28] It has been suggested that, for the complete lack of ATM function, the other ATM allele ... transmigration of CLL cells across endothelia depends on CD49d expression by CLL cells and is favoured by the production of the matrix metalloproteinase-9 as the result of CD49d engagement [150] Page of...
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ON THE GROWTH RATE OF GENERALIZED FIBONACCI NUMBERS DONNIELL E. FISHKIND Received 1 May 2004 Let ppt
... directly verified when t = ± 3/3, since the rate of growth of the sequence of every other Fibonacci number is the square of the rate of growth of the Fibonacci sequence.) Generalized Fibonacci ... 1)/ln(γ(q)); the continuity of the inverse function of γ implies the continuity √ of γ By (2.4) and for t such that q = 2t/( − t) is rational, α is the composition of γ and √ another continuous ... investigate this rate of growth as a function of the generating slope, to transfer the setting to the natural arrayal of Pascal’s triangle, and, in Section 3, to prove Theorem 1.1 In Section...
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USE THE CORRECT FORM OF THE WORDS IN BRACKETS pdf
... one of the best football in the world (play) The town is situated on the river (attract) How can you imagine the of mathematics in our modern life? (important) The book is very to me (use) The of ... How of you to break that cup (care) I will never forget the holiday in Italy (wonder) I regret to you that they are unable to offer you employment (information) You are very from your brother ... is thinking of English (study) Do you like to solve puzzles? (mathematics) The to the problems will be difficult to find (solve) He is the most pupil in our class (intelligence) The company is...
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Test on the negative form of words pot
... It’s the only one of its kind worth thousands of pounds REPLACE Exercise She hates the taste of cigarette She must choose a _ to be her husband SMOKE To our great _, it rained on the day of ... to men EQUAL He refused the request for help of his friend GRATE He’s terribly absent – minded He even sometimes _ the number of his children COUNT The weather was so terrible that we ... insight into the in his behaviour SINCERE It’s _ of you not to prepare students for their exams RESPONSIBLE There are so many _ mysterious in this case SOLUTION On such a hot day, the sea...
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