Positive feedback Positive feedback is a mechanism by which an output is enhanced‚ such as protein levels. However‚ in order to avoid any fluctuation in the protein level‚ the mechanism is inhibited stochastically (I)‚ therefore when the concentration of the activated protein (A) is past the threshold ([I])‚ the loop mechanism is activated and the concentration of A increases exponentially if d[A]=k [A] Positive feedback mechanisms are designed to accelerate or enhance the output created by a stimulus
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play games outside and get exercise but they spend time on the computer. This has had effect on their health and can cause problems such as obesity. Another problem is the negative effect on their relationship with their family. Internet access fills most young people’s time‚ and even their leisure time‚ so this is the cause of their disconnection with their family and ultimately can have an effect on their social behavior. A third problem is that not all internet sites are useful. Information is
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ARTICLE www.hbr.org What Makes an Effective Executive by Peter F Drucker . Included with this full-text Harvard Business Review article: 1 Article Summar y The Idea in Brief—the core idea The Idea in Practice—putting the idea to work 2 What Makes an Effective Executive 8 Further Reading A list of related materials‚ with annotations to guide further exploration of the article’s ideas and applications Product 6980 What Makes an Effective Executive The Idea in Brief The
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„You are what you eat” „You are what you eat” – what does it mean? Basically it means that in order to be be fit and healthy you need to eat good food. People eat whatever they like. Some eat healthy‚ some eat „junkfood”‚ some only look at the price tags. However‚ the belief that “you are what you eat” originated in the 1800s with epicurean Anthelme Brillat-Savarin and philosopher Ludwig Feuerbach. They maintained that food affects one’s health and state of mind. And we can not disagree
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Norway which he would sneak away in the summertime to compose music. He mainly wrote a lot of music for the piano at that time. Grieg best-known piece of music is‚ Peer Gynt. This piece of
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believe that you can tell a lot about a person by observing what they wear. Is this true? A man in a nice pressed three-piece suit‚ carrying an expensive briefcase is obviously a businessman‚ right? A woman wearing a long ruffled colorful dress‚ with many jewelry pieces around her neck and wrists and colorful beads braided onto her hair must be a hippy or a gypsy‚ right? It is easy to label people based on how they dressed‚ sometimes too easy. Let’s face it; the first thing you do to a person
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WE SHOULD NOT USE TORTURE ON SUSPECTED TERRORISTS Torture‚ as a simple definition‚ is the action or practice of inflicting severe pain on someone as punishment or in order to force them to do or say something. When we see it done on our TV screens we think it’s revolting; we find it hard to watch‚ even though it’s faked and censored in comparison to actual methods used. This practice is usually done using covert methods‚ and is ineffective. It’s unethical and damaging‚ especially when it is practiced
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You are what you drive When you see different people driving different cars on the roads‚ will you give yourself a second to think whether there is something relationship between the certain cars and the drivers’ personality? There is a theory that people who drive certain cars share personality traits. Generally speaking‚ our choices may say something about our values and interests. To some extent‚ women tend to buy smaller cars and men are likely to buy larger cars. But there are many other
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choices. (Ryan‚ 2000) Teachers‚ parents‚ and peers all provide adolescents with suggestions and feedback about what they should think and how they should behave in social situations. These models can be a source of motivation or lack thereof. Modeling refers to individual changes in cognition‚ behavior‚ or effects that result from the observation of others (Ryan‚ 2000). Observing others perform a particular behavior or voice a certain opinion can introduce an individual to new behaviors and viewpoints
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delighted and loyal customers. It has been found that: 1. Acquiring new customers can cost five times more than the costs involved in satisfying and retaining current customers. It requires a great deal of effort to induce satisfied customers to switch away from their current suppliers. 2. The average company loses 10 percent of its customers each year. 3. A 5 percent reduction in the customer defection rate can increase profits by 25 percent to 85 percent depending on the industry. 4. The
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