Enzymes What Are Enzymes? Substances that speed up chemical reactions are called catalysts. Organic catalysts are called enzymes. Enzymes are specific for one particular reaction or group of related reactions. Many reactions cannot occur without the correct enzyme present. They are often named by adding "ase" to the name of the substrate. Example: Dehydrogenases are enzymes that remove hydrogen. Induced-fit Theory The shape of the enzyme must match the shape of the substrate
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The Boundary less Organization General Electric’s former chairman‚ Jack Welch‚ PROBABLY coined the term boundary less organization to describe his idea of what he wanted GE to become. He wanted to turn his company into a family grocery store. That is‚ to eliminate vertical and horizontal boundaries within GE and break down eternal barriers between the company and its customers and suppliers. The boundary less organization seeks to eliminate the chain of command have limitless spans of control
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The effect of Lead ions on amylase activity Aim What is the effect of Lead ions on the enzyme Amylase. And does it have an inhibitory effect‚ which causes the substrate‚ in this case starch to be blocked from the reaction process in the enzyme catalyst. Also is the effect reversible or irreversible‚ which is put on the amylase. Method Apparatus and substances required Test tube holder 2% starch solution 6 boiling tubes labelled 1 to 6 1% lead nitrate solution 6 test tubes labelled A to E‚
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Elizabeth Au (1) Serena Chan (3) Sharon Chan (4) Christy Chan (5) BIOLOGY LAB REPORT Investigation of the effect of metal ions on enzyme activity Objective To study the effect of two heavy metal ions‚ lead (II) ions and silver ions on the enzyme activity of invertase. Introduction Hypothesis: The rate of enzyme reaction of invertase decreases and the reaction eventually stops as the heavy metal ions inhibit the enzyme reactions. Biological principle: Heavy metal ions are non-competitive
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1919 Scandal Deflategate‚ the Russians using steroids‚ and Thomas Voeckler using a hidden engine while cycling‚ are all sports scandals that may be see in the news today‚ but in all reality infamous sports scandals date way back. Indeed‚ the 1919 World Series is one of the most iconic‚ when eight members of the Chicago White Sox were bribed to throw the game by many high ranking gamblers. The players were sent to court‚ and tried for their crimes‚ and sewed punishments. The players caused many new
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Charlie was happier when he was less intelligent. Before the operation Charlie had a good life. He had a job‚ friends‚ and he thought he fit in. When he was working he had a good time. Charlie says‚ “Then Frank Reilly said what did you do Charlie forget your key and open your door the hard way. That made me laff. Their really my friends and they like me.” Charlie writes about his friends at work. He wrote that he had good friends at work that liked him and they made him laugh. When he was less intelligent
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order and the effect it has on your personality Some parents often wonder‚ what‚ if any‚ effect birth order will have on their children’s personalities. Genetic factors and other influences play a significannot role‚ but the birth order within the family plays a larger role in determining the personality of children. Countless academic studies say your place in the family is such a strong factor in developing your personality that it can have a major influence on the rest of your life. Alfred
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What is your greatest weakness? I used to like to work on one project to its completion before starting on another‚ but I’ve learned to work on many projects at the same time‚ and I think it allows me to be more creative and effective in each one. What is your greatest strength? I think one of my greatest strengths is as a problem solver. I have the ability to see a situation from different perspectives and I can get my work done even in the face of difficult obstacles. I also feel that my communication
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Jamaica Kincaid supports the idea of the imperialists attempt to delete indigenous native culture in “On Seeing England for the First Time” where she speaks about how the big breakfast that “no one [Kincaid] knew liked eating” was “Made in England” and therefore implemented into their culture. Instead of contributing to their culture‚ the English culture replaces and sets itself up as the superior ideology and disregards other beliefs and practices as wrong. The English worked
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Using the scenario provided‚ discuss how your understanding and consideration of related literature informed your planned action. Identify how an international perspective could also influence the decisions made. Introduction The group I was in was given the scenario 1 (You are a School Sports Co-ordinator (SSCO) in an inner city school and your data highlights that your Key Stage 4 female students are not participating in extra-curricular activities). We did this piece of work as a group
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