First of all “A serial dilution is a series of sequential dilutions used to reduce a dense culture of cells to a more usable concentration . Each dilution will reduce the concentration of bacteria by a specific amount” .( Study . com / Serial Dilution ) A serial dilution is any dilution were the concentration decrease by the same quantity in each successive step . The purpose of serial Dilution is to reduce the concentration of cells
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COMMUNITIES & URBANIZATION Introduction George Murdock once said that a community is one of the two truly universal units of society organization‚ the other one being family (Schaefer‚ 461). We are all part of a community‚ and in many cases‚ we are a part of multiple ones. In chapter 20 of our textbook‚ we are looking at communities and urbanization. It discusses urbanization and how communities originate. It also looks at the different types of communities. Communities are defined as "a
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Urban Slums: Reason for Concern? The definition of a slum varies from one form to another depending on the background or country from which an individual comes from. Someone from a rich country may define slums as old run-down buildings‚ whereas someone from a poor country will define slums as un-serviced haphazard constructions. The universal definition of a slum as found in the dictionary is said to be a heavily populated urban area characterized by substandard housing and filth. Slums are seen
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Introduction Since the early days‚ migration had happen long time ago by our ancestors because of various reasons such as to find a more secure place to live‚ to get easy access to food and water‚ lost old home because of natural disasters and etc. According to Merriam-Webster online dictionary‚ migration is the act of moving from a country or place to another new place. Thus‚ the theory of migration can be used to explain this phenomenon by focusing on its characteristics where it highlights on
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Effects of over population in Mexico City There are parts of the world that have an alarming overpopulation rate‚ one of these locations is Mexico city which is located in the Federal District‚ Capital of the Country of Mexico. Mexico City’s enormous population continues to rapidly increase every day. With approximately 20 million residents; up from 9 million only 20 years ago‚ Mexico City is considered the most populous urban center on earth. There are many people in the country of
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Urbanisation in India Urbanisation in India was mainly caused after independence‚ due to adoption of mixed system of economy by the country which gave rise to the development of private sector. Urbanisation is taking place at a faster rate in India. Population residing in urban areas in India‚ according to 1901 census‚ was 11.4%.[1] This count increased to 28.53% according to 2001 census‚ and crossing 30% as per 2011 census‚ standing at 31.16%.[2][3]According to a survey by UN State of the World
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In today’s constantly changing society‚ more and more people are becoming more materialistic. This is particularly so in the cities and more urbanized areas. Take America as an example. Compared with three or four decades ago‚ Americans today are very much more materialistic. Materialism is usually more apparent in cities because in the cities‚ people are constantly exposed to new inventions that make life easier. These new inventions often come with a hefty price tag attached to them‚ simply because
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10a) Suggest reasons for the changes shown in the size and distribution of megacities Megacities‚ with a population of at least 10 million‚ have grown in number to 26 in 2009. This is because of the general growth in world population and especially the g r o w t h in NICs such as India‚ Brazil and Indonesia. Their Economic growth has increased rapidly due to industrialisation which has encouraged rural-urban migration to escape rural poverty. This has increased the size of some megacities to
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Outline the process of urbanisation and describe its effects. Urbanisation is the growth in the proportion of a country’s population the lives in urban as opposed to rural areas. Urbanisation first occurred in MEDCs during the industrial revolution that took place in Europe and North America in the nineteenth and early twentieth centuries. Since 1950‚ urbanisation has been rapidly occurring in LEDCs and nowadays‚ the rate of urbanisation in LEDCs‚ for example‚ in South America‚ Africa and Asia
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India: The Jewel in the Crown India is officially known as Republic of India. It is a country located in South Asia. It is the seventh largest and second-most populous country in the world. New Delhi is the capital India. The Indian economy is the world’s tenth-largest in nominal GDP and third-largest in purchasing power parity. India became one of the fastest-growing major economies in the world. It is considered as a newly industrialized country. Lewis Theory of Development is a structural-change
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