Centre Number For Examiner’s Use Candidate Number Surname Other Names Examiner’s Initials Candidate Signature Question General Certificate of Education Advanced Subsidiary Examination June 2013 Mark 1 2 3 Biology Unit 1 BIOL1 4 5 Biology and disease 6 Tuesday 21 May 2013 1.30 pm to 2.45 pm 7 8 For this paper you must have: l a ruler with millimetre measurements l a calculator. TOTAL Time allowed l 1 hour 15 minutes Instructions l l l l l l Use black ink or black ball-point
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fter watching any of the military training documentaries on the Discovery Channel‚ it indeed appears like some men were born for battle. They absolutely thrive under the high-pressure‚ aggression-filled environment of war. Not to mention‚ they really‚ really like their weapons. It makes you wonder what these men would do if there was no need to fight—could they even survive a desk job?Essentially‚ the question boils down to—are we warring because we have to or because deep down we like it? 9 Internet
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your study significant‚ i.e.‚ how is your objective relevant/applicable to the larger world and why would the information you seek be important/valuable to others? (either in terms of using catechol oxidase as a model to study enzyme function or considering the specific activity of catechol oxidase) 3) State your hypothesis (an educated prediction): Materials and Methods 1) List specific materials used in your experiments (and sources of these materials). Also list any specialized
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Deviance: Nature vs. Nurture Every society has developed their own rules and principles‚ and every society contains those who break away from these norms and expectations. These people are called deviants. All societies throughout history have had these deviants who refuse to follow the rules set up by the community in which they live. Deviance is necessary‚ to some degree‚ for societies to advance. Without deviance‚ human culture would stagnate. The causes of deviance‚ like many
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(Danyk‚ H‚ 2013). Quinones are produced by the oxidation of phenolic compound of catechol. Enzymes are used to speed up chemical reactions in cells (Danyk‚ H‚ 2013). The enzyme catechol oxidase is used to speed up the production of benzoquinone which is to help in infection prevention. In this study catechol oxidase was combined with potato juice extract and water. To provide more results of the enzymes productivity patterns the solutions; temperatures were changed‚ alterations were made in pH
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8‚ 16‚ and 24 drops of catechol were added to each of the tubes. To equal out the amount of solution in each of the test tubes‚ respectively 23‚ 22‚ 20‚ 16‚ 8 and 0 drops of pH 7 buffer were added. 30 drops of potato juice containing the catechol oxidase enzyme were then added to the solution‚ and then timed for 5 minutes at room temperature. The pH treatment only required 5 test tubes‚ with 3mL of matching buffer (pH4‚ pH6‚ pH7‚ pH8‚ and pH10) in the appropriate tube. Following this‚ 10 drops of
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Outline I. The Introduction will present the study to the reader. A. We will provide the definition of terms such as biosensor and implant‚ etc 1. The sensor is a transducer that converts the measurand (a quantity or a parameter) into a signal carrying information. 2. A biosensor is a sensor that uses a living component or products of living things for measurement or indication. B. The authors will provide a brief history of the development
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Jim Morrison once said‚ “Violence isn’t always evil. What’s evil is the infatuation with violence.” Violence against others is always a bad thing to do‚ but people who do violence have something to do that’s inside their brain. Humans doing violent acts have something to do with genetics‚ their job‚ or their childhood. With genetics‚ some humans can get a warrior gene and it can affect how aggressive they are if they were raised poorly‚ meaning they were mistreated or the environment they live in
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COLUMNIST JOHN HAYLOCK ON PUBLIC PRACTICE Are entrepreneurs born or created? New Zealand needs more successful entrepreneurs and much thought has been given to how that may be encouraged. C an we create entrepreneurs? Is the ability to see a business opportunity and take the risks necessary to exploit it endowed by nature or is it a result of nurture? I had always thought it was nurture. But recently I learnt more about my own family history and it made me question whether
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Introduction: Cytochrome c oxidase plays a vital role in cellular respiration by accepting e- from cytochrome c and transferring them to an acceptor oxygen molecule in the final step of electron transfer chain. Carbon monoxide and cyanide are few of the inhibitor of this enzyme. 4 Fe2+ -cyt c + 8H+ + O2 4 Fe3+ -cyt c + 2H2O + 4H+ [out] Cytochrome c oxidase locates to the inner membrane which separates the mitochondrial matrix from the intermembrane space. However‚ Potato tubes can
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