it s not easy being green plant structure and function
Báo cáo toán học: "An introduction on below-ground environment and resource acquisition, with special reference on trees. Simulation models should include plant structure and function" potx
Ngày tải lên :
08/08/2014, 14:22
... because of root growth During the second phase resources pass from the root surface into the xylem vessels (uptake sensu stricto) The third phase sees resources transported within the plant and assimilated, ... mobilisation [12] 2.3 Plant and root systems Even though it seems obvious to say that the plant and the root system play a major role in the acquisition processes, the representation of the plant and ... and assimilation During this third step, water and nutrients are transported and used (either assimilated, or evaporated) Since most of the transport occurs in the xylem vessels, its resistance...
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Style - It’s Not What They Say but How They Say It
Ngày tải lên :
25/10/2013, 17:20
... YOU MISSED: THEN STUDY: Question Lesson Question Lesson Question Lessons and Question 10 Lesson 11 Question 11 Lesson 11 Question 12 Lesson 12 Question 13 Lesson 13 Question 14 Lesson 14 Skill ... lesson to study for each question you missed IF YOU MISSED: THEN STUDY: Question Lesson Question Lesson Question Lesson Question Lesson Question Lesson Question Lesson 11 The main idea of this ... reader and writer and uses the pronouns he, his, him; she, hers, her; it, its; and they, them, and their Diction refers to the specific words chosen by the author to express his or her ideas Because...
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It’s Not You, It’s Your Strategy: The HIAPy Guide to Finding Work in a Tough Job Market
Ngày tải lên :
09/02/2014, 20:53
... conduct extensive research, not just about the company and its products or services, but its customers and competition, and trends in its industry and customers’ industries Oh, and relevant overall ... to understand others’ experiences and perspectives; *Ability to understand and interpret interpersonal data and use it to access situations and strategize appropriate responses; and *Ability to ... your odds of success Another way to put it is that pessimists turns molehills into mountains, while optimists turn molehills into anthills And, guess what: the optimist is almost always right,...
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Monetary Policy and the Slow Recovery: It’s Not Just About Housing ppt
Ngày tải lên :
23/03/2014, 05:22
... of funds financial institutions and nonfinancial businesses depend on for their day-to-day operations Many financial institutions that had placed big bets on housing posted massive losses Some ... recovery Businesses, investors, and households remain skittish, even in the face of better economic news Many of my business contacts say they remain cautious about expanding because they’re unsure ... housing In the broad sense, what we’ve seen has been a sharp fall in household and business demand for goods and services That has caused the economy to perform well below its potential Let’s...
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it's not about the technology
Ngày tải lên :
01/06/2014, 10:11
... companies that have multiple business units and hundreds of products in the market, such as this So in a first order of tasks, she pulls together the key customer-focused sales and marketing managers ... product definition process is very engineering-oriented We start projects based on our own opinions of what is possible and we just it The business unit * a fictitious name THE AWARENESS OF AN ENGINEER ... my issue pertains to the question you raised but I’ll say it anyway Often times the product slips are caused, I think, significantly due to the endless cycles of discussions and dispute resolutions...
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báo cáo khoa học: ""For someone who''''s rich, it''''s not a problem". Insights from Tanzania on diabetes health-seeking and medical pluralism among Dar es Salaam''''s urban poor" ppsx
Ngày tải lên :
11/08/2014, 14:21
... regional, and referral hospitals Consultations were free of charge and clinical assessment procedures such as weight, blood pressure, and blood glucose level were heavily subsidised and cost 1000 Tsh ... According to our observations, this suggests that the possibilities for health-seeking behaviour were often assessed on a day-to-day basis This made illness action vulnerable to disruption and tactical ... loss of her husband and father and on whom she was completely dependent She was unable to support herself due to diabetes This shows how the scarcity of material resources within the family is...
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Computer graphics it’s not just photoshop anymore
Ngày tải lên :
24/10/2014, 09:12
... unconsciously assume that students’ skills are not as good and they are not as literate as teachers because the students don’t seem to value or prioritize the teachers’ literacies Younger teachers may ... and artists and creates the final images suitable for scan out to film Special effects animators produce special effects, such as tornadoes, or exploding asteroids What Students Should Learn ... Statistics 2006-2007 Opportunities for Careers in Computer Graphics Broadcast motion design artists create the graphics used in multimedia or television broadcasting to display sports statistics,...
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Tài liệu Báo cáo khoa học: Structure and function of plant aspartic proteinases pptx
Ngày tải lên :
19/02/2014, 12:20
... different plant organs, as well as in plant senescence, stress responses, programmed cell death and reproduction Protein processing and/ or degradation as nitrogen source In citrus leaf extracts, an ... organization, plant APs precursors are, in general, very similar Like for monocotyledonous plants, AP expression or activity in some dicotyledonous plants has been detected in other tissues besides those ... processing or degradation of those substrates in vitro and/ or specific expression in certain tissues or under specific conditions In general, plant APs have been implicated in protein processing and/ or...
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Báo cáo khóa học: S-(2,3-Dichlorotriazinyl)glutathione A new affinity label for probing the structure and function of glutathione transferases potx
Ngày tải lên :
16/03/2014, 16:20
... was designed and synthesized, and its reaction with GST I investigated An unexpected mechanism of structural communication between the enzyme s subunits is revealed, which was obscure despite ... Washington, Seattle, WA, USA) Glutathione synthase from S cerevisiae was purified to homogeneity as described previously [35] Site-directed mutagenesis Site-directed mutagenesis was performed as described ... reversephase S5 ODS2 Spherisorb silica column The product was eluted at 8.8 SDTG purity was assessed as described in Experimental procedures The product showed a single spot with Rf ¼ 0.55, a UV absorption...
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Tài liệu Báo cáo khoa học: Structure and function of active chromatin and DNase I hypersensitive sites pdf
Ngày tải lên :
14/02/2014, 18:20
... states can exist, not that it is the only state at a specific DHS Nevertheless, for the most part it has been widely assumed that DHSs represent nucleosome-free regions, and in many cases this ... cells DHSs can exist as either nucleosomes or conversely as nucleosome-free regions [85,86,200,223] ChIP assays not always adequately address this issue because they typically show that one of several ... as it forms once steroid is withdrawn [222] Fine mapping of this DHS indicates that nucleosomes are destabilized within the DHS, as opposed to being repositioned sideways, and linker histones...
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Tài liệu Báo cáo khoa học: Interaction between very-KIND Ras guanine exchange factor and microtubule-associated protein 2, and its role in dendrite growth – structure and function of the second kinase noncatalytic C-lobe domain docx
Ngày tải lên :
14/02/2014, 19:20
... Mutagenesis Kit (Stratagene, La Jolla, CA, USA) Pull-down assay GST-fusion proteins were prepared and used for the pulldown assays, as described previously [12] Briefly, E coli expressing GST fusion ... appropriate expression vectors Site-directed mutagenesis for substitution of conserved Leu residues with Ala in the KIND2 domain of SDS ⁄ PAGE and immunoblotting were performed essentially as described ... immunoprecipitated with the antibody–protein A- or G-sepharose complexes were washed with lysis buffer and subjected to immunoblot analysis Plasmid construction and expression Immunoblotting Plasmid construction...
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Tài liệu Body Size: The Structure and Function of Aquatic Ecosystems pptx
Ngày tải lên :
17/02/2014, 19:20
... extension, showing that plant density across the spectrum of plant sizes from algae to trees and across a range of ecosystem types from oceans, freshwaters, wetlands, grasslands and forests shows the ... stable age structure in particular selective environments The key elements are a fitness definition, a relationship of traits to fitness, and tradeoffs among traits Fitness definition Fitness ... trait values that yield highest fitness Relationship of traits to fitness While the link between some phenotypic traits and fitness may be weak, many life-history traits are either components...
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Tài liệu Báo cáo khoa học: a-Conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes doc
Ngày tải lên :
19/02/2014, 12:20
... and b4 subunits and in some cases b2 subunits, and is localized at postsynaptic densities [18,96] Functionally, a rapidly decaying a-BTX-sensitive and a slowly decaying a-BTXresistant response could ... receptors installed the a6 subunit as another possible subunit conferring MII-sensitivity [12,40] Based on measurements of Ca2+ changes in individual rat striatal synaptosomes by laser scanning ... absence of endogenous nAChR subunits, the comparable ease of producing subunit combinations and its suitability for electrophysiological measurements, the Xenopus oocyte expression system is...
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Tài liệu Báo cáo khoa học: Cold survival in freeze-intolerant insects The structure and function of b-helical antifreeze proteins pdf
Ngày tải lên :
19/02/2014, 16:20
... motifs is less conserved than the second rank This observation has also been seen in the sbwAFP isoform studies noted above This substitution pattern is not as obvious for TmAFP, where Ala is found ... ligand binding sites SbwAFP, in contrast, is essentially a freestanding b-helix with a C-terminal cap The lack of such extensions on sbwAFP suggests that the structure has been optimized for its ... Ó FEBS 2004 3286 S P Graether and B D Sykes (Eur J Biochem 271) Fig Fish AFP structures and model The structures of the fish AFPs are shown as ribbon diagrams with coil structure shown as yellow,...
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Báo cáo khoa học: NMR solution structure and function of the C-terminal domain of eukaryotic class 1 polypeptide chain release factor pdf
Ngày tải lên :
06/03/2014, 11:20
... mutants were further assayed in a reconstituted in vitro eukaryotic translation system containing 6 0S and 4 0S ribosomal subunits, mRNA with different stop codons, aminoacylated tRNAs, and individual ... whole structure This suggestion is in full agreement with recent studies on the yeast Y41 0S C-domain mutant [18] The structure, dynamics and functions of the C-domain have been studied much less ... with the results of the crystallographic analysis of human eRF1 [19] The minidomain, which was not resolved in the crystal structures, exists in two conformational states in solution This is...
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Báo cáo khoa học: Evolutionary changes to transthyretin: structure and function of a transthyretin-like ancestral protein doc
Ngày tải lên :
07/03/2014, 00:20
... interactions with the ligand (see Fig 5B) Indeed, site-directed mutagenesis studies targeting these residues show that substitution at these sites has profound consequences for the 5-HIU hydrolase activity ... residues that are 100% conserved in both TLP and transthyretin sequences as well as those that are 100% conserved solely within the set of TLP sequences Distribution of TLPs and transthyretins ... hydrolase activity of the TLP [17,29,30] (and see Table 2) Mutagenesis of H14 and R49 showed that these residues are the most sensitive to mutation, with H14A, H14N and R49E substitutions abolishing enzyme...
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Báo cáo khoa học: Structure and function of KH domains docx
Ngày tải lên :
07/03/2014, 05:20
... respectively Salient secondary structure elements are labeled Cross-strand side-chain interactions are shown in open and closed circles dimers in the crystal, in several cases different crystallization ... antiparallel b-strands is abutted by three a-helices (a1, a2, and a¢) The b-sheet in type I KH domains consists of three b-strands in the order b1, b¢ and b2 The b1-strand and b2-strand are parallel ... domains at different positions in the same protein, and KH domains at the same position in different proteins The highest percentage identities were consistently those between KH domains at the same...
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Báo cáo khoa học: Structure and function of N-acetylglucosamine kinase Identification of two active site cysteines pptx
Ngày tải lên :
08/03/2014, 10:20
... decreased affinities to both substrates It has been suggested that two cysteine residues in vicinal positions are a general feature of the active site of enzymes with phosphate binding sites [27] ... kinase these cysteines seem to be C131 and C143 Their counterparts in glucokinase are C233 and C252 Mutations of these cysteines to serines have very similar effects on enzyme activity and substrate ... regard to a-helices and the b-sheets Three-dimensional modelling was performed using the RASMOL software PSI-BLAST RESULTS Construction of cysteine mutants and functional expression in E coli BL21...
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Day one nucleic acid structure and function
Ngày tải lên :
13/03/2014, 16:42
... distinguish from random background hits BLAST uses an algorithm which seeks local as opposed to global alignments and is therefore able to detect relationships among sequences which share only isolated ... regions of similarity The core of NCBI 's BLAST services is BLAST 2.0 otherwise known as "Gapped BLAST" This service is designed to take protein and nucleic acid sequences and compare them against ... mitochondrial sequences alu Select Alu repeats from REPBASE, suitable for masking Alu repeats from query sequences It is available at epd Eukaryotic Promotor Database ISREC in Epalinges s/ Lausanne (Switzerland)...
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Cell Structure and Function Functi
Ngày tải lên :
13/03/2014, 19:31
... membrane sacs Function Golgi apparatus Completes the processing substances received from the ER Sorts, tags and packages fully processed proteins and lipids in vesicles Golgi Apparatus Golgi ... transport of nutrients in and wastes out As cell volume increases, so does the need for the transporting of nutrients and wastes Why Are Cells So Small? However, as cell volume increases the ... Tags also indicate where the substance is to be shipped Golgi Apparatus Transport Vesicles Transport Vesicles Vesicle = small membrane bound sac Transport modified proteins and lipids from...
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