the evolution of development
Báo cáo sinh học: "Comparative embryology without a microscope: using genomic approaches to understand the evolution of development" potx
... conservation at the level of embryonic development The grey line represents the classical pattern of early developmental conservation described by von Baer with the earliest stages of development ... RJ: The Meaning of Evolution: the Morphological Construction and Ideological Reconstruction of Darwin’s Theory Chicago: University of Chicago Press; 1992 Raff RA: The Shape of Life: Genes, Development, ... earlier in development or later in pupae or adults These discrepancies suggest that differences in the modes of development used by these three taxa have evolutionary consequences Two of the studies...
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Báo cáo y học: "Genome sequence of an Australian kangaroo, Macropus eugenii, provides insight into the evolution of mammalian reproduction and development" docx
... certain that they grow there out of the nipples of the mammae from which they draw their food, until they are grown up’ [1] These observations were made by Francisco Pelseart, Captain of the ill-fated ... Phylogeny of the marsupials Phylogenetic relationships of the orders of Marsupialia Top: the placement of the contemporary continents of South America and Australia within Gondwanaland and the split of ... of both conserved and novel small RNAs in the tammar genome (a) Size ranges of the major classes of small RNAs The x-axis shows number of reads mapped to the tammar genome while the size of the...
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báo cáo khoa học: " Pollen development in Annona cherimola Mill. (Annonaceae). Implications for the evolution of aggregated pollen" pdf
... afternoon of the following day when the flower enters the male stage Anther dehiscence occurs concomitantly in all stamens of a flower and, as the anthers dehisce, they detach from the flower ... prior to anthesis Anther differentiation proceeded centripetally, with the most developmentally advanced anthers placed in the outermost rows and the different stages of anther and pollen development ... concomitantly with the layering of the exine [54] and the formation of the pollen aperture is related to endoplasmic reticulum blocking the deposition of primexine [3] The callose remnant at the pollen...
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the evolution of banking; a study of the development of the credit system (1915)
... interests of the possessing class must be ignored and the interests of the workers only considered THE EVOLUTION OF BANKING 37 THE BANK OF VENICE The Bank of Venice was founded in the year through the ... because their theories were founded upon the utterly false premise the study they rightly deserve that the earth was flat and stationary But the Copernican theory of the revolution of the earth ... sides of the rod £1,000 was represented by a notch as broad as the palm of the hand; £100 by the breadth of the thumb £20 by the thickness of the little finger; £1 by that of a barley-corn; use of...
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Tài liệu The Evolution of Internet Telephony pptx
... network The function of these gateways is to packetize the voice signal on the originating end of a call so that it can be transported over an IP network At the terminating end of the call, another ... will drive the IPT market in the longer run Indeed the very future of IPT depends in part on the development of compelling applications There are a variety of potential applications, many of which ... understanding the finer points of codecs The market potential of phone-to-phone and PC-to-phone IPT drove the development of first generation of IPT gateways And service provider fear of lost revenues...
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Tài liệu Combat Pair - The Evolution of Air Force-Navy Integration in Strike Warfare ppt
... all were, in the words of the former vice chairman of the Joint Chiefs of Staff (JCS), Admiral William Owens, “either ruled out by the context of the battle or were ineffective in the confined littoral ... For its part, the F-14 involved in the incident was operating from the carrier USS Saratoga in the central Mediterranean Sea One goal of the exercise was to test the ability of the Air Force ... of forces in the region that preceded the war 13 14 Combat Pair: The Evolution of Air Force–Navy Integration in Strike Warfare and the six weeks of fighting that ensued thereafter, the Navy did...
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Tài liệu Báo cáo khoa học: An intermediate step in the evolution of ATPases – a hybrid F0–V0 rotor in a bacterial Na+ F1F0 ATP synthase pdf
... two of the rings face in the opposite direction in the membrane to the other two, forming the same pattern as in the AFM surface representation of Fig 2A By comparison with the 3D structure of the ... compensate the negative charge on the rotor The freed positive charge on the stator attracts the next negative charge on the rotor, thus leading to rotation of the ring As most of the c rings ... distributed along the horizontal axis of the rotor [8] A positive charge on the stator attracts one of the negative charges on the ring and thus keeps the ring in place [34–36] However, the system is...
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Tài liệu FINANCIAL ENGINEERING The Evolution of a Profession pptx
... leading to the failure of 160 members of the New York Stock Exchange) Toward the end of the period, glimmers of deregulation and technology advances laid the groundwork for the beginning of financial ... notable at the end of 1998 was the creation of the financial behemoth, Citigroup, that challenged the separation of banking and insurance under the then-in-effect Glass-Steagall Act THE MASSIVE ... 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright...
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Tài liệu Constraining Hypotheses on the Evolution of Art and Aesthetic Appreciation* doc
... knowledge about their evolution is basic to understand the evolution of aesthetic preference itself A comprehensive understanding of the evolution of the human brain, as well as of certain specific ... number of reinterpretations of the archaeological record have recently questioned the place and time of the appearance of modern human cognition They have shown that the revolution hypothesis ... there is no way of determining which level of analysis is the most relevant to the study of the neural correlates of aesthetic preference Additionally, the evolutionary emergence of such a capacity...
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Tài liệu Báo cáo khoa học: cN-crystallin and the evolution of the bc-crystallin superfamily in vertebrates pdf
... different regions of the eye The expression of cN in the central regions of the lens, fiber cells that were laid down before birth, is consistent with the familiar pattern of expression of the principally ... encoding the two motifs of the C-terminal domain The crygn gene is thus a hybrid of b and c crystallin gene structures, apparently an intermediate in the evolution of the c-crystallins from the b-crystallins ... polypeptide capable of completing the C-terminal domain of the protein Currently there is no evidence for expression of canonical cN in primates This leaves open the question of whether the gene for...
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THE EVOLUTION OF THE RUSSIAN SAVING BANK SECTOR DURING THE TRANSITION ERA docx
... effect on A) There is no significant effect of the age of the firm It is clear that the size of the firm in total assets is the key determinant of the amount of advertising Large firms have the financial ... extension of the familiar Gibrat process See also Davies and Geroski (1997, p 385) depending upon the extent of the persistence of market shares The sum of the effects on the future market shares (the ... 0.080 Note: The table presents the number of firms, the number of entrants (Ent), the number of firms which exited (Ext), the number of firms with market share (S) in excess of 5%, the Herfindahl...
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Báo cáo khoa học: Analysis of the NADH-dependent retinaldehyde reductase activity of amphioxus retinol dehydrogenase enzymes enhances our understanding of the evolution of the retinol dehydrogenase family pot
... respectively [29] The overall analysis, examining the topology of the phylogenetic tree and the position of each gene inside the cluster, was informative regarding the orthology relationships of the distinct ... vertebrate enzymes The most significant difference between the amphioxus and the other retinal reductases was, nevertheless, their preference for the NADH cofactor To our knowledge, these are the first SDR ... on the cytosolic side of the membrane [38,39] Amphioxus RDH did not show positively charged amino acids at the N-terminus of the signaling sequence, but rather contained the L24ERGR motif at the...
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The Evolution of Modern Medicine pot
... forsook the haunts of men The other equally important cause was the change wrought by Christianity The brotherhood of man, the care of the body, the gospel of practical virtues formed the essence of ... obstruction of the bowels the opening of the abdomen, removal of the obstructed portion and uniting the ends of the intestine by sutures After the death of Alexander, Egypt fell into the hands of his ... elaborated the view of the pneuma, one form of which he believed came from the inspired air, and passed to the left side of the heart and to the arteries of the body It was the cause of the heart-beat...
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Oxygen and the Evolution of Life pptx
... consequence of the physical laws of our universe and the subatomic structure of the oxygen atom As we shall see in Chap 2, the existence of oxygen atoms is in turn a necessary result of the evolution of ... Thus, the higher the pH value, the lower the proton concentration and therefore the degree of dissociation of water This behavior of water depends strongly on the temperature, the higher the temperature ... copy of a particular part of the DNA from the cell nucleus to the cytosol This serves as a matrix for the synthesis of proteins, composed of amino acids Thus, proteins express the potential of the...
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The evolution of host use and unusual reproductive strategies in Achrysocharoides parasitoid wasps pot
... ancestral host of Achryso- chroides Regarding the effect of taxa sampling on the reconstruction of reproductive strategies, although the biology of most species in other parts of the world is less ... (Fig 5) The two parthenogenetic species appear basal in the atys group, and we cannot yet identify their closest sexual relatives We also examined the pattern of sex allocation in one of the species ... comprise a third of known species of this genus Regarding the effect of taxa sampling on the reconstruction of ancestral host use, most of our species are European, reflecting the most detailed...
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The Evolution of Cells potx
... 12/22/11 2:07 PM 12 THE EVOLUTION OF CELLS IS THERE LIFE OUT THERE? The presence of life somewhere else in the universe is not just the stuff of science fiction Astrobiology is the branch of science that ... Note the base pairs of nucleotides that make up the “rungs” of the ladder in the structure of DNA CBBL_EvolCells_F2_IBT.indd 23 12/22/11 2:08 PM 24 THE EVOLUTION OF CELLS (R) serves as the sugar ... thought of as two chains of nucleotides that are lined up to form a ladder The sugar-phosphate units of the chains form the sides of the ladder, while the projecting base pairs link in the middle...
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THE EVOLUTION OF CAPITALISM SYSTEM OF ECONOMICAL CONTRADICTIONS OR, THE PHILOSOPHY OF MISERY potx
... and the laws of thought Then you may verify the hypothesis of pauperism, the hypothesis of inequality of conditions, the hypothesis of universal association, the hypothesis of happiness, the ... OF THE RESPONSIBILITY OF MAN AND OF GOD, UNDER THE LAW OF CONTRADICTION, OR A SOLUTION OF THE PROBLEM OF PROVIDENCE % The Culpability of Man.—Exposition of the Myth of the Fall % Exposition of ... to the republic, when I am seeking for the meaning and content of the idea of God; and that the tradesmen of the university will impute to me the impiety of demonstrating the non-value of their...
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The Evolution of Entertainment Consumption and the Emergence of Cinema, 1890-1940 docx
... benefited from the comments and suggestions of the participants of the workshop ‘Economic Theory and the Practice of Consumption: Evolutionary and other Approaches’, organised by the University of Cassino ... analysing the shape of the growth pattern of the quantity of cinema consumed and expenditure on cinema The time of the take-off will be estimated quantitatively (and its timing compared with the qualitative ... combined with the idea that when this would be shown the audience would see the movement because of the persistence of vision, was important to cinema The notion of the persistence of vision is...
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The Evolution of Counseling Psychology docx
... economic In the years following the Civil War, a parade Guidance: A Product of the American Conscience of new states joined the Union Most of these were carved out of the great heartland of the continent ... During the closing years of the nineteenth century, the civilized world replied affirmatively to the age-old question, Am I my brother's keeper? Society had accepted the theory of the brotherhood of ... around the beginning of the 20th century These were the forces and events that energized the "spirit of the times" from whence came the ideas and ideals of the pioneers of what eventually became...
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