a wide variety of plants and their uses‚ among them the Agave plant. The agave plant was as important to barbacoa as was the fungus Ustilago maydis to the dish Huitlacoche‚ only this plant had several uses beyond the kitchen. Using my own experiences‚ the vast resources online‚ and a quick call to my parents‚ I set out to learn more about the other aspects of this plant‚ such as it’s role in the everyday life of Indigenous people. Like many other desert plants‚ the agave plant is built to survive
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determination in plants Summary- Evolutionary transitions happened gradually from hermaphroditism to monoec in which multiple sex determining genes are involved which include male-sterility and female-sterility factors. There should not be any recombination between different loci which is the pivotal reason for the genetic degeneration of Y chromosomes. There are several theories attached to Y chromosome degeneration that are reviewed recently . Introduction: why are plant sex chromosomes of
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Biogas Plant The Bio-Gas Plant produces gas from the raw materials of human excreta and cowdung. The residue obtained from the plant is used as the food of fish. It is a system to process livestock wastes into safe‚ high-quality‚ efficient organic fertilizer without exhausting greenhouse gases into the air. These gas plants also contribute to safe-keeping and clean environment by preventing bad odor and contamination of the underground. Furthermore‚ they are capable of generating electric power
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OF PLANTS Raluca Elena Hedes STRUCTURE: PART 1: Clarifying THEORETICAL CONCEPTS and TERMINOLOGY ¨ PART 2: Aspects of PRACTICAL APLICABILITY ¨ PART 3: SOURCES ¨ PART 4: Q&A ¨ The term allelopathy… ¨ ¨ • • 1937 – introduced by Prof. Hans Molisch Derived from the Greek words: Allelon = of each other Pathos = to suffer Definition ¨ 1996 - The International Allelopathy Society: “Any process involving secondary metabolites produced by plants‚ micro-organisms
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Chapter 2 IB Biology 2.1 Cell Theory 2.1.1 Outline the cell theory (2). • All organisms are composed of one or more cells • Cells are the smallest units of life • All cells come from preexisting cells • TOK: cell theory replaces the former ideas of spontaneous generation or abiogenesis in which inanimate matter assembles itself into living forms • Exception: muscle cells- more than 1 nucleus‚ very long; (fungal cells) hyphae roots- not a single unit; protoctista- not specialized to single
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STEM CELL RESEARCH AND THERAPYAND ITS IMPACTS ON SOCIETY Abstract There are several types of stem cells being used in stem cell research and therapy today. They are embryonic‚ adult and induced pluripotent stem cells. Each will be discussed further. This topic has stirred much moral‚ ethical and political debate as whether cells from fetuses should be used in this research. This impacts governmental policies on laws and funding. Another issue that must be analyzed is the
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Cells do everything from providing structure and stability to providing energy and a means of reproduction for an organism. There are many professions that have jobs like the organelles in a cell. One example is a Prison. A prison is a clear representation of a cell because all the organelles have a function that is tantamount to a prison. Also it is logical because each function have a function that relates to the jobs found in a prison. The Nucleus in a cell controls everything in the cell
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Engineering in Plants In the 1920’s‚ a man named Henry Wallace founded a company called “The Hi-Bred Corn Company.” He began selecting corn plants that flourished in certain aspects and bred them with other prosperous plants to make a hybrid. After pollenating the female silk of one plant with the pollen of another; the resulting offspring displayed both traits. This idea of ‘selective breeding’ would go on to become the norm in that era of agriculture because it produced bigger and better plants. Because
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Genetically Modified Plants and Animals Why should we know about the genetic modification of plants and animals? In this world today we are seeing different labels on our foods but does anyone even really know what they mean? For example what is the difference between a regular tomato and an organic tomato? We should know what foods we are consuming and how they affect our bodies. I believe that more regulations should be put into place by the Food and Drug Administration so that we are better
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Khalan A. AP Biology Plants Immune Systems Plants serve as the main source of nutrients for countless organisms such as fungi‚ protists‚ vertebrates‚ and insects. In comparison to humans‚ a plant’s “immune system” is insignificant. However‚ plants have adapted and evolved chemical‚ physical‚ and protein based mechanisms to protect themselves against invaders. A plant’s first line of defense against pathogens is their innate immunity. The “innate-immune system” is a non-specific immune
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