12th Standard Bio-Zoology Guide - Tamil Nadu State Board Syllabus PDF Download
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Author: Mukil E Publishing And Solutions Pvt Ltd
Publisher: Mukil E Publishing And Solutions Private Limited
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 122
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Book Description
12th Standard Bio-Zoology - TamilNadu stateboard - solutions, guide For the first time in Tamilnadu, Student's study materials are available as ebooks. Students and Teachers, make use of it.
Author: Mukil E Publishing And Solutions Pvt Ltd
Publisher: Mukil E Publishing And Solutions Private Limited
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 122
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Book Description
12th Standard Bio-Zoology - TamilNadu stateboard - solutions, guide For the first time in Tamilnadu, Student's study materials are available as ebooks. Students and Teachers, make use of it.
Author: Mukil E Publishing And Solutions Pvt Ltd
Publisher: Mukil E Publishing And Solutions Private Limited
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 38
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Book Description
12th Standard Bio-Zoology Model Question Papers - English Medium - Tamil Nadu State Board - solutions, guide For the first time in Tamil Nadu, Technical books are available as ebooks. Students and Teachers, make use of it.
Author: Mukil E Publishing And Solutions Pvt Ltd
Publisher: Mukil E Publishing And Solutions Private Limited
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 115
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Book Description
12th Standard Bio-Botany - TamilNadu stateboard - solutions , guide For the first time in Tamilnadu, Student's study materials are available as ebooks. Students and Teachers, make use of it.
Author: Mukil E Publishing And Solutions Pvt Ltd
Publisher: Mukil E Publishing And Solutions Private Limited
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 39
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Book Description
12th Standard Bio-Botany Model Questions Papers - English Medium - Tamil Nadu State Board - solutions, guide For the first time in Tamil Nadu, Technical books are available as ebooks. Students and Teachers, make use of it.
Author: V. N. Naik
Publisher:
ISBN:
Category : Biological sciences
Languages : en
Pages : 304
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Book Description
Author: Gregor Mendel
Publisher: Cosimo, Inc.
ISBN: 1605202576
Category : Science
Languages : en
Pages : 54
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Experiments which in previous years were made with ornamental plants have already afforded evidence that the hybrids, as a rule, are not exactly intermediate between the parental species. With some of the more striking characters, those, for instance, which relate to the form and size of the leaves, the pubescence of the several parts, etc., the intermediate, indeed, is nearly always to be seen; in other cases, however, one of the two parental characters is so preponderant that it is difficult, or quite impossible, to detect the other in the hybrid. from 4. The Forms of the Hybrid One of the most influential and important scientific works ever written, the 1865 paper Experiments in Plant Hybridisation was all but ignored in its day, and its author, Austrian priest and scientist GREGOR JOHANN MENDEL (18221884), died before seeing the dramatic long-term impact of his work, which was rediscovered at the turn of the 20th century and is now considered foundational to modern genetics. A simple, eloquent description of his 18561863 study of the inheritance of traits in pea plantsMendel analyzed 29,000 of themthis is essential reading for biology students and readers of science history. Cosimo presents this compact edition from the 1909 translation by British geneticist WILLIAM BATESON (18611926).
Author: Annie Ragland
Publisher:
ISBN: 9789382459187
Category : Angiosperms
Languages : en
Pages : 622
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Author: U. Lüttge
Publisher: Springer
ISBN: 9783540074526
Category : Science
Languages : en
Pages : 0
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As plant physiology increased steadily in the latter half of the 19th century, problems of absorption and transport of water and of mineral nutrients and problems of the passage of metabolites from one cell to another were investigated, especially in Germany. JUSTUS VON LIEBIG, who was born in Darmstadt in 1803, founded agricultural chemistry and developed the techniques of mineral nutrition in agricul ture during the 70 years of his life. The discovery of plasmolysis by NAGEL! (1851), the investigation of permeability problems of artificial membranes by TRAUBE (1867) and the classical work on osmosis by PFEFFER (1877) laid the foundations for our understanding of soluble substances and osmosis in cell growth and cell mechanisms. Since living membranes were responsible for controlling both water movement and the substances in solution, "permeability" became a major topic for investigation and speculation. The problems then discussed under that heading included passive permeation by diffusion, Donnan equilibrium adjustments, active transport processes and antagonism between ions. In that era, when organelle isolation by differential centrifugation was unknown and the electron microscope had not been invented, the number of cell membranes, their thickness and their composition, were matters for conjecture. The nature of cell surface membranes was deduced with remarkable accuracy from the reactions of cells to substances in solution. In 1895, OVERTON, in U. S. A. , published the hypothesis that membranes were probably lipid in nature because of the greater penetration by substances with higher fat solubility.
Author: Charles Darwin
Publisher:
ISBN:
Category :
Languages : en
Pages : 770
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Book Description
On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life), [3] published on 24 November 1859, is a work of scientific literature by Charles Darwin which is considered to be the foundation of evolutionary biology.[4] Darwin's book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection. It presented a body of evidence that the diversity of life arose by common descent through a branching pattern of evolution. Darwin included evidence that he had gathered on the Beagle expedition in the 1830s and his subsequent findings from research, correspondence, and experimentation
Author: International Commission on Zoological Nomenclature
Publisher: Univ of California Press
ISBN: 9780853010036
Category : Animals
Languages : fr
Pages : 364
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Book Description
