Probiotics are live microorganisms which are believed to provide health benefits when consumed. The term probiotics meaning ‘for life’ (pro= ‘for’ or ‘in support’‚ biotic= ‘life’) is derived from Latin & Greek language. The term was first used by Lilly and Stillwell in 1965 to describe “substances secreted by one microorganism which stimulates the growth of another microorganism” i.e. which is exactly opposite of ‘antibiotics’‚ later in 1971 Sperti used the term probiotics to describe “tissue extracts
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Advantages and Disadvantages of Colonialism Matthew Toms Professor Mehdi Nazer SOC300 v201103 August 31‚ 2011 Introduction Colonialism is dominating or conquering a territory and involving the subjugation of one people to another (Kohn‚ 2011). At the end of 15th century‚ Portugal and Spain explored the seas to find another route to Asia through the Mediterranean Sea for three things – God‚ Gold and Glory. Their mission was to introduce Christianity/Catholicism to the Asian natives‚ find
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Sampling is the use of a subset of the population to represent the whole population. Probability sampling‚ or random sampling‚ is a sampling technique in which the probability of getting any particular sample may be calculated. Nonprobability sampling does not meet this criterion and should be used with caution. Nonprobability sampling techniques cannot be used to infer from the sample to the general population. The advantage of nonprobability sampling is its lower cost compared to probability sampling
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There was a time when learning was slowed down by the limitations of books and whiteboards‚ but we now know this is not the case because of the innovation of today’s technology. Technology is a good thing when used correctly. It allows students to use the skills and the resources we have today in their learning environment. Most students are already familiar with how the internet works and can use those skills to help learn. Money is always an issue in education and technology can help. Virtual field
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persuading and one of informing consumers. Against some who claim that persuasive advertising using irrational means is moral as long as the product or service it represents is good or useful‚ this paper argues that by denigrating human reason such advertising is always immoral. On the other hand‚ advertisements which present information in a straight-forward and truthful way are always moral no matter what they advertise; indeed‚ only such advertisements are moral. Paul Santilli is Assistant Professor
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Purposive sampling Purposive sampling‚ also known as judgmental‚ selective or subjective sampling‚ is a type of non-probability sampling technique. Non-probability sampling focuses on sampling techniques where the units that are investigated are based on the judgement of the researcher. Purposive sampling explained Purposive sampling represents a group of different non-probability sampling techniques. Also known as judgmental‚ selectiveor subjective sampling‚ purposive sampling relies on
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recreation‚ but also the provision of services for this act. It might occupy local services such as entertainment‚ accommodation and catering for tourists. It may seem‚ that tourism brings only benefits‚ but further consideration shows that it also has disadvantages. According to Shirleyrader (2014) ‚ many countries depend heavily upon travel expenditures by foreigners as a source of taxation and as a source of income for the enterprises. Therefore‚ the development of tourism is often a strategy to promote
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and many people are playing on-line games. In contrary‚ the internet has a lot of disadvantages. There have been many people who became victims of pornographic sites on the internet.When your computer connects to the internet it is often the case that a virus attacks your computer hard disk. In addition‚ many people steal personal information on the internet. The case is often occurring in today’s world‚ when people save personal information such as name‚ address‚ credit card number‚ and others
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Cells for handphone base stations were invented in 1947 by Bell Labs engineers. Handphones generally obtain power from batteries‚ which can be recharged from a USB port‚ from portable batteries‚ from mains power or a cigarette lighter socket in a car using an adapter often called battery charger or wall wart and from a solar panel or a dynamo that can also use a USB port to plug the phone. In addition to the battery‚ GSM handphones require a small microchip‚ called a Subscriber Identity Module or SIM
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of tourism are reinforced by the belief that tourism brings adverse social and cultural effects. As an industry‚ it may be have several impacts on a country‚ both good and bad. Tourism is a main source of income to developing countries. When tourists come to these countries‚ they usually spend foreign currency. These foreign exchange may help to increase developments in the country and thereby accelerates economic growth. Income from tourism in the form of foreign exchange earnings are
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