The effect of increasing substrate concentration on rate of an enzyme reaction. Enzymes are biological catalysts that lower a reactions activation energy making possible many of the reactions needed for life to exist. Enzymes have a high specificity which have been explained by many theories such as Fischer’s lock and key. Currently the most widely accepted theory is the induced fit hypothesis proposed by Koshland in 1958. This hypothesis solves some of the problems with the Lock and key theory
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Hui Tzu(Erin) Wang ID:0720052 Effect of an Increasing Substrate Concentration on Enzyme Activity Rate Abstract The reaction rate of an enzyme can be affected by many factors‚ and the purpose of this experiment was to find out how an increasing substrate concentration influences the rate of an enzyme activity; we obtained data from recording the absorbance of the samples which contain the same amount of potato juice (enzyme oxidase) and different
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is well known to be rich with diverse cultures when compared with other Asian countries. However‚ in this modern era‚ our teenagers are said to have deviated from the cultural values of their fore fathers. Deviation here means the act of moving away from what is normal in a society. Meanwhile‚ cultural values refer to the commonly held standards of what is acceptable or unacceptable in a particular community or society (Oxford 7th edition). This issue can be rephrased as; our teenagers are now practicing
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1.0 What do you think caused Deborah to react in such manner towards Melinda? Do you think these reactions are justified? Usually in every organization‚ there are myriads of ways how people resist change. People often show resistance to change in a very rational response based on self-interest‚ fear of unknown‚ fear of failure‚ personal conflicts‚ cultural values and assumption‚ politics etc. Therefore‚ it can be established that there are innumerable reasons people resist change and many of them
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Changes in divorce law have generally made it easier and cheaper to end marriages‚ but this is not necessarily the cause of the rising divorce rate. Legal changes reflect other changes in society‚ especially changes in attitudes. In particular‚ sociologists argue that social expectations about marriage have changed. Functionalist sociologists even argue that high divorce rates are evidence that marriage is increasing)‚ valued and that people are demanding higher standards from their partners. Couples
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6. What do you think is the biggest problem facing the world today? I would say greed and ignorance is the biggest problem facing the world today. It is an aspect of human nature and seemingly intractable. I don’t expect the mass of humanity to undergo spiritual transformation to amend these aspects. However I do think that in order for problems to be solved such as objective conditions e.g. war and poverty‚ there has to be a change in social ethos- that of which is generally considered desirable
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What is a window 8 and how successful do you think it will be? In this assignment I will be focusing on the major differences between the two OS; windows 7 and windows 8. I will also be identifying‚ based on my own views how successful windows 8 will be. Windows 8 is the latest version of Microsoft operating system. For some years now we’ve had windows 7 which was and still is a fantastic operating system. Many years have passed by and it’s only now Microsoft have finally decided to release their
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1. What do you think Will Hunting’s life would be like if the therapy had not been successful? I believe that Will would have still been a construction worker and a janitor. He would still be afraid to take chances and allow people to actually love him. Furthermore‚ Will would have continued to be an intelligent‚ yet angry person for the rest of his life. He was going to look at his life fifty years from now and have so many regrets. He was going to be labeled as a genius that was an idiot for wasting
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system allowed newly-elected presidents to replace officeholders with people who supported them. For example‚ Jackson replaced some of his cabinet members‚ so his cabinet would be more in favor of the decisions he made before those policies went into effect. Most of his cabinet members resigned and were replaced‚ however‚ because the wife of Secretary of War John Eaton was judged for her moral character. Jackson did not always rely on his cabinet for advice. He also had an informal group of friends that
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2. What do we want to learn? What are the key concepts (form‚ function‚ causation‚ change‚ connection‚ perspective‚ responsibility‚ reflection) to be emphasized within this inquiry Key concepts: Form‚ responsibility‚ connection Related concepts: cooperation or conflict‚ interdependence What lines of inquiry will define the scope of the inquiry into the central idea? What teacher questions/provocations will drive these inquiries? Lines of inquiry
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