Investigating the effect of pH on the activity of the enzyme catalase. Introduction Hydrogen peroxide (H2O2) is a very pale blue liquid which appears colourless in a dilute solution‚ slightly more viscous than water. It is a weak acid. It has strong oxidizing properties and is therefore a powerful bleaching agent that is mostly used for bleaching paper. Catalase is a common enzyme found in all living organisms. Its functions include the conversion of Hydrogen Peroxide‚ a powerful and potentially
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Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 Digestive System Enzymes Digestion of Carbohydrates in relation to Ph. levels 2012 HAUBER-SIX‚ Janina Queensland Government 1/1/2012 The follow experiment was prepared‚ conducted and analysed in order to test at which pH level starch will be digested at fastest. The digestive system is a complex network of organs as well as other structures
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1. Maslow’s hierarchy of needs states that people will first attempt to fulfill basic needs such as physiological and safety needs‚ and then if those are satisfied‚ they will make efforts to satisfy other needs‚ such as social and esteem needs. According to this theory‚ only when their most basic needs have been satisfied will people be able to concentrate on satisfying higher-level needs. However‚ if their basic physiological and safety needs become threatened‚ they would then be likely to revert
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Procrastination Assessment Scale for Students (PASS) Areas of Procrastination For each of the following activities‚ please rate the degree to which you delay or procrastinate. Rate each item on an “a” to “e” scale according to how often you wait until the last minute to do the activity. Then indicate on an “a” to “e” scale the degree to which you feel procrastination on that task is a problem. Finally‚ indicate on an “a” to “e” scale the degree to which you would like to decrease your
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Nancy Bayley’s research is used to this day regarding the physical development of babies and young children. Her research was entitled the ‘Bayley Scales of Infant Development’ and medical institutions use it to this day when measuring the growth of babies from 2 to 30 months. This research was drawn from 16 new born babies‚ where she monitored the motor and physical development. McGraw‚ who practiced at the same time as Bayley and who was also a child psychologist put her research into children’s
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dissolved Carbon Dioxide on the pH of Water Aim: To investigate the effect of dissolved carbon dioxide on the pH of water. Hypothesis: The dissolved carbon dioxide will cause the water to turn acid‚ lowering the pH when carbon dioxide dissolves in water in which it forms carbonic acid (H2CO3). Materials: Straws‚ distilled water‚ safety glasses‚ pH probe‚ computer‚ universal indicator‚ gloves‚ lab coats‚ measuring cylinder‚ data logger‚ printer‚ pH chart. Substance of risk Nature
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The issues and challenges faced by the small scale tourism industries are the main aim of this essay in the essay it is critically analysed the difficulties and problems faced by the small scale industry and a lot of research is done on the small scale industries and it is discussed and argued in the essay. It is said that small scale industry is a very vital part of the tourism industry and economically it contributes a lot to the economy which is being talked about. Issues like innovative way of
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Cancel Exam. Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break‚ so be sure that you have seen the entire question and all the answers before choosing an answer. 1. What is the employee’s responsibility in the self-assessment stage of career management? A. Communicate performance evaluations B. Identify opportunities and areas of needed improvement C. Identify steps and a timetable to reach goals D. Provide assessment
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TEPO: FINANCIAL SYSTEM‚ MARKET AND MANAGEMENT-THE BASICS By: Rose Marie B. Laman‚ Vincent Patrick B. Laman & Emiliana P. Evia C.2008 GIC Enterprises Introduction According to Lloyd B. Thomas‚ today’s industrial nations employ fairly standard measures of money that include the volume of currency in circulation and the volume of deposits at any point in time. Inflation and Deflation Inflation – is a sustained increase in the price level of commodities It is an economic disorder‚ which is
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what age to give baby cereal When and how to give cereals to the baby It is the first food other than milk that is introduced into the child’s diet. You should start with those who do not have gluten and continue with those who do‚ always following the guidelines your pediatrician has indicated. Start the baby in the cereals When your child’s pediatrician tells you that you can start to take cereals‚ you should start with those who do not have gluten (rice‚ corn‚ soy‚ tapioca) and in the proportion
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