Chapter 6 Microbial Growth 1 Growth • increase in cellular constituents that may result in: – increase in cell number • e.g.‚ when microorganisms reproduce by budding or binary fission – increase in cell size • e.g.‚ coenocytic microorganisms have nuclear divisions that are not accompanied by cell divisions • microbiologists usually study population growth rather than growth of individual cells 2 The Growth Curve • observed when microorganisms are cultivated in batch
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Reuse‚ Revival‚ and Recarving: Ancient Granite Columns in Renaissance Rome Michael J. Waters Worcester College‚ University of Oxford michael.waters1@gmail.com Architects of the Italian Renaissance often quoted ancient architectural details in modern designs as an act of reference and revival. While historians frequently note this common method of transumption‚ the creation of all’antica architecture through the use of ancient building materials has gone largely ignored. This paper argues that the
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how the use of water in everyday life takes place in different industries. Also mentioned are the ways in which the different industries can reduce their consumption of water in different processes: 1Food Processors- The main use of water in the food processing industries include washing and sanitation‚ cooling and heating and a lot of other tertiary functions. In order to conserve water in this industry‚ the water must be reused in other processes‚ like rinsing water can be used in
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INTRODUCTION 1.1 GENERAL Water recycling or the reuse of treated wastewater is becoming a necessity in today’s world. Under constant threat due to climate change‚ explosive population growth‚ and wastage‚ there is tremendous pressure on water‚ a basic and valuable resource. While industrial growth and unplanned water utilization for agricultural use have depleted ground water levels in many parts of India‚ the growth of urban clusters have brought pressure on available water. Increasing levels in sewage
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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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Introduction Fresh water is an indispensable resource for human livelihood‚ agricultural irrigation and economic development (Brooks‚ 2007). However‚ due to the rapid population growth and the limited reserves‚ increasing regions have faced serious scarcity of fresh water (Williamson‚ 2010). Saudi Arabia is one of the driest countries in the world (CIA‚ 2011). According to World Bank (2011)‚ the world average fresh water consumption is nearly 7000m³/year/person‚ while the water resource per capita
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tree in the front yard of my house on September 12. I will need to find a nice spot to plant the tree to make sure it won’t die. I’m choosing to plant a tree because I’ve always wanted to do it. I’m going to plant the tree with soil to give it the nutrients it needs. Also I am going to put wood chip mulch all around it to keep it from drying out from all the heat. I will water the tree every day‚ and check for growth every other week. Planting trees is always helping the environment. Trees provide
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thing made from another‚ leading to two organisms with the same set of genes. In that sense‚ identical twins are clones‚ because they have identical DNA. Sometimes‚ plants are self-pollinated‚ producing seeds and eventually more plants with the same genetic code. Some forests are made entirely of trees originating from one single plant; the original tree spread its roots‚ which later sprouted new trees. When earthworms are cut in half‚ they regenerate the missing parts of their bodies‚ leading to
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Mahatma Gandhi’s Salt March from March 12th-April 5th (From Sabarmati Ashram to Dandi) Mahatma (Great Soul) Gandhi (1869-1948) He’s considered to be the father of his country. He was the leader of the Indian nationalist movement against British rule. He’s internationally esteemed for his doctrine of non-violence to achieve political and social progress. The Indian people had disliked British rule since the 10th centenary. There were campaigns of civil disobedience and non-cooperation with
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In our lab‚ we were given the task of burning seven different salts and taking notes of what we observed. The different salts included Potassium chloride‚ Calcium chloride‚ Strontium chloride‚ Lithium chloride‚ Copper II chloride‚ Sodium Chloride‚ and Barium Chloride. Burning a pinch of each salt separately by holding a nichrome wire over a Bunsen burner‚ we found that each salt emitted a different color of light. For example‚ Potassium Chloride burnt a bright pink flame when burned‚ while Calcium
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