erwin the developmental origins of animal bodyplans
Báo cáo y học: "dentification of the prokaryotic ligand-gated ion channels and their implications for the mechanisms and origins of animal Cys-loop ion channels" ppt
... respect to the mechanism by which the binding of the ligand to a segregated site transmits the conformational change to the rest of the LBDs to trigger the rotation Furthermore, the extent of the applicability ... mediate the transmission of the conformational change through the 'top' of the LBD, which may then transmit through the rest of the structure The charge interactions between the acidic residue in the ... chain on either side from the ligandbinding box to the surface of the 'inner sheet' at the top of the LBD [9,28] It is likely that these residues form a conduit for the propagation of the conformational...
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Tài liệu BOOK OF ABSTRACTS OF THE 63RD ANNUAL MEETING OF THE EUROPEAN FEDERATION OF ANIMAL SCIENCE pptx
... Book of Abstracts of the 63rd Annual Meeting of the European Federation of Animal Science EAAP - European Federation of Animal Science The European Federation of Animal Science wishes ... presentation of material in this publication not imply the expression of any opinion whatsoever on the part of the European Federation of Animal Science concerning the legal status of any country, ... important scientiic meetings of professionals working in the area of animal production One of the main objectives of the meeting is to focus on sustainability and eiciency of the livestock sector Programme...
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why we talk the evolutionary origins of language mar 2007
... eVect of the communication act is the making of a mental representation If that is the case, then the eVect of one of these monkeys giving the call usually associated with the presence of a leopard ... traversed on the frames of wax represents a distance of several tens or even hundreds of metres outside the hive; the vertical direction represents the direction of the sun; the direction of the central ... of Xight, performed outside the hive When the dance is done in the darkness of the hive, the replacement of the angle of the sun by the bee’s alignment, vertical rather than horizontal, say, or...
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the depths the evolutionary origins of the depression epidemic jonathan rottenberg
... the meaning of the symptoms: what they signify, what they represent, and, most of all, why they are happening to them A diagnosis of depression on its own does not explain the why, offers no interpretation ... proportion of the test period As with the Tail Test, the simplest interpretation of the animal s immobility is that the mood system rapidly down regulates effort to conserve energy in the face of an ... diseases and are not part of normal variation By the tenets of the disease model, the symptoms of depression must reflect abnormal functioning The problem is that the architects of the DSM system were...
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Báo cáo sinh học: "Hyperactive Wnt signaling changes the developmental potential of embryonic lung endoderm" ppt
... example, in the small intestine, Tcf4 is required for the rapid proliferation of the embryonic intervillus epithelium that gives rise to the crypts [7] These contain the stem cells of the adult ... cells, the various subsets of secretory Clara cells, and the pulmonary neuroendocrine cells) The epithelium of the smaller, peripheral tubes that appear towards the end of gestation gives rise to the ... groups of cells scattered throughout the epithelium This pattern is reminiscent of the distribution of Paneth cells in transgenic intestines, in which the spatial segregation of the crypt from the...
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Báo cáo sinh học: "Wnt signaling and the developmental fate of lung cells" ppsx
... at the surface of a cell, it blocks degradation of the co-factor -catenin and frees it to interact with the transcription factors of the TCF/LEF family, thereby triggering the transcription of ... signals from the Wnt receptor at the cell surface into the nucleus, where it switches on the activity of new genes http://jbiol.com/content/3/3/9 via the action of transcription factors of the TCF/LEF ... types appear in parts of the body where they don’t normally belong, and which can lead to cancer (see the ‘Behind the scenes’ box for more of the rationale for the work) In the bladder, for example,...
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Báo cáo khoa hoc:" On the use analysis of animal models in the of selection experiments" pdf
... amount of data and type of prior, i.e the more data are available the less are the estimates of responses influenced by the choice of priors And similarly for the variances of the estimate, they ... number of generations, and the main interest is to evaluate the effect of selection on the means of the selected populations On the other hand, long-term selection experiments with laboratory animals ... decreasing function of the degree of overlap between generations, or of the degree of connectedness of the data Obviously, when generations not overlap the situation is that of design 1, with no...
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calomiris & haber - fragile by design; the political origins of banking crisis & scarce credit (2014)
... government These deals are intended to improve the welfare of the members of those coalitions and of the group in control of the government, not of society at large Because the economic incentives of the ... minimize the public visibility of the costs of bailouts and the allocation of the losses The existence of a system of deposit insurance, ironically, generates incentives for the parties in control of ... with other players that have an interest in the organization of the banking system? What are the terms of exchange among the members of these coalitions? Are there differences in the way the game...
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varoufakis - the global minotaur; america, the true origins of the financial crisis and the future of the world economy (2011)
... The gist of their response was that, while they had their finger on the pulse and their eye on the data, they had made two related diagnostic mistakes: the error of extrapolation and the (rather ... characteristic of the global political economy was the reversal of the flow of trade and capital surpluses between the United States and the rest of the world The hegemon, for the first time ... they were by no means in the majority) saw their labour diverted from the farms to the workshops and the factories There, separated from the countryside of their ancestors by the tall walls of...
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An experimental study on the thermal valorization of municipal and animal wastes
... Part of the decomposition above 700°C (not shown on the graph) was attributed to the calcium carbonate of the sample, the content of which was about 45% in ash Therefore, the DTG peaks of the ... cj is the fraction of combustibles in component j, aj(t) is the reacted fraction of component j in time t and m∞ is the normalized amount of the solid residues (minerals) at the end of the experiment ... Ej is the activation energy of component j, g expresses the effect of ambient gas composition and f describes the change of surface reactivity as a function of the fractional burn off: As the function...
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Tài liệu The Art Of Animal Drawing - Introduction To Animal docx
... legs and the widest part of the trunk Then draw the curved shapes of the tusks on either side of the base of the trunk Step Three Now, using the basic shapes as a guide, draw the outline of the elephant's ... length as the distance from the top of the head to the base of the body Step Two Now refine the outlines and begin marking the placement of the major feathers on the body Then start developing the ... shading the dark areas of the fur with the broad side of the pencil Use straight strokes that follow the direction of hair growth, radiating from the center of the face and chest Next shade in the...
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Tài liệu The Art Of Animal Drawing - Introduction To Basic Drawing docx
... for the roof height Using the vanishing point, draw a line for the angle of the roof ridge; then draw the back of the roof The angled roof lines will meet at a third VP somewhere in the sky BASIC ... shape of the blocking object Here is a simple example of the way to plot the correct shape and length of a shadow for the shape and the height of the light Front view (foreshortened) If the light ... filling in the negative spaces around the slats Don't draw the slats—instead draw the shapes surrounding them and then fill in the shapes with the side of a soft lead pencil Once you establish the shape...
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Tài liệu The Art Of Animal Drawing - Introduction To Iandscapes ppt
... view The tree shapes on the left and the right lean slightly toward the center, drawing the eye into the middle of the composition In the example to the right, notice how the elements direct the ... leaves on each tree First sketch the trunk, and then draw the general shape of the whole group of leaves before shading the foliage Use the side of the pencil lead for the basic layout sketches American ... depth is obvious in the line drawing to the left; the road narrows as it travels back into the distance, and the hills overlap each other To offset the slanting curves of the hills and foliage,...
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Tài liệu The Art Of Animal Drawing - Introduction People docx
... of the head to the eyes, from the eyes to the the nose, and from the nose to the chin, took at where the mouth falls between the nose and the chin and where the ears align with the eyes and the ... interesting features are a lot of fun to draw from the side, where you can really see the shape of the brow, the outline of the nose, and the form of the lips Drawing the Profile Some people have very ... other The tips of the fingers fall at the first line, the second knuckle at the middle line, and the first knuckle at the last one The third knuckle falls halfway between the finger tips and the...
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Tài liệu The Art Of Animal Drawing - Introduction To Still Lifes doc
... stage of your drawing Blending the Cast Shadows As shown in the closeup above, the cast shadow needs the smoothest blending Position the shadows using the side of an HB pencil; then blend softly ... "section," using the stroke and lift technique; begin at the edge, stroke toward the middle, and lift the pencil at the end of the stroke Finally shade the cast shadow smoother and darker than the fruit ... from the white of the paper (See page 13 for more on negative space.) 28 Establishing Detail Draw the shapes of the spiked scales, which change in size from one end of the cone to the other In...
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