of mitosis & meiosis IN GROWTH AND REPRODUCTION Table of Content Page Number Cell division 1 Why do we need cell division? 1 Chromosomes 1 What is a chromosome? 1 The Cell Cycle 2 Process of Mitosis 3 What is Mitosis? 3 Stages of Mitosis 3 Interphase 3 Prophase 4 Prometaphase 5 Metaphase 5 Anaphase 6 Telophase 7 Cytokinesis 8
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Citric acid cycle From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search [pic] [pic] Overview of the citric acid cycle The citric acid cycle — also known as the tricarboxylic acid cycle (TCA cycle)‚ the Krebs cycle‚ or the Szent-Györgyi-Krebs cycle‚ [1][2] — is a series of enzyme-catalysed chemical reactions‚ which is of central importance in all living cells that use oxygen as part of cellular respiration. In eukaryotic cells‚ the citric acid cycle occurs in the matrix of the mitochondrion
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Noun | 1. | water pollution - pollution of the water in rivers and lakespollution - undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities | ------------------------------------------------- ------------------------------------------------- http://www.thefreedictionary.com/Water+pollutant ------------------------------------------------- ------------------------------------------------- Effects of Water Pollution
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POTABLE WATER SUPPLY FOR SUSTAINABLE DEVELOPMENT OF NIGERIAN CITIES‚ TOWNS AND URBAN CENTRES – A CASE STUDY OF AUCHI‚ EDO STATE. BY 1 2 3 4 FADELE .S .O.‚ USMAN .D. D.‚ ELAMAH .D.‚ EBUBE .O. C. (1‚2‚3‚ & 4) DEPARTMENT OF BUILDING TECHNOLOGY AUCHI POLYTECHNIC AUCHI EDO STATE ACCESS TO POTABLE WATER SUPPLY FOR
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interests of the personnel involved along the chain. Finally‚ the authors give a few recommendations as to a more effective use of this instrument © 1998 Elsevier Science Ltd. All rights reserved. Keywords: Life cycle assessment; Environmental benefits; Packaging 1. Introduction Life cycle assessment (LCA)‚ i.e. the systematic inventory and evaluation of environmental impacts of a product “from the cradle to the grave”‚ is an emerging tool. On the one hand it is used by governments‚ e.g. when establishing
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needs water to survive. Water is our most important resource that is required to ensure our survival. This resource is something that we use every day in our lives and it serves many different purposes. We use water to take showers‚ to flush the toilet‚ cook dinner‚ to drink‚ and to clean. Water is not only used for our domestic needs‚ or wants but it is used in agriculture‚ industries‚ transportation‚ and as an alternative energy source (Lenntech‚ 2008). Life would be impossible without water. All
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Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural‚ industrial‚ household‚ recreational and environmental activities. Virtually all of these human uses require fresh water. 97% of the water on the Earth is salt water. However‚ only three percent is fresh water; slightly over two thirds of this is frozen in glaciers and polar ice caps.[1] The remaining unfrozen freshwater is found mainly as groundwater‚ with only a small fraction present
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Research of domestic water consumption: a field study in Harbin‚ China by Tingyi Lu A research project report submitted in partial fulfilment of the requirements for the award of the degree of Master of Science of Loughborough University SEPTEMBER 2007 Supervisor: I.K. Smout BA‚ MSc‚ CEng FICE‚ MIAgrE‚ MCIWEM Water‚ Engineering and Development Centre Department of Civil and Building Engineering Research of domestic water consumption: a field study in Harbin，China 1 Acknowledgement
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However in example 6‚ the H2O molecule given in the question is in the liquid state. Thus liquid water has to be converted into steam first. To convert 2 moles of liquid water into 2 moles of steam‚ an additional 82 kJ of energy is required. By using Hess’s Law‚ ΔH + 2(799) + 2(41) + 4(460) = 4(410) + (496) ΔH = -888 kJ mol-1 Alternative: energy absorbed during bond breaking = 4(410) + 2(496) = 2632 kJ energy released during bond forming = 2(799) + 4(460) + 2(41)
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Save Water Speech 1 Good morning to the excellencies‚ respected teachers and my dear colleagues. I would like to speech on a very important topic “save water” today at this special occasion. As well all know that how the water is important for the continuation of life on the earth. It is the most basic need of everyone (human being‚ animal‚ plant and other microorganisms). Water is the unique source of life‚ without water we cannot imagine the life here. Life on other planets is not possible just
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