What affect does the concentration of sugar have on the rate of respiration of yeast? Apparatus: 1. Stopwatch with a resolution of 0.001 seconds 2. 4 test tubes 3. 200 ml of yeast in a beaker 4. 200 ml of glucose solution 5. 500 ml of limewater 6. 2 delivery tubes 7. 1 test tube rack 8. 1 water bath set to 37°C 9. 2 pipettes 10. 3 measuring cylinders with a resolution of 1ml‚ ranging from 0-30ml. 11. 200 ml of water Hypothesis: The higher the concentration
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Embarrassed teenagers use their brain different New investigations shows‚ that when teenagers gets embarrased by their parrents dance or singing‚ then they use a different part of the brain than adults to process their feelings. For a long time‚ it has aroused curiosity‚ why teenagers experience it as embarrasing when their dad or mom does something embarrasing‚ while others experience it as entertainment. But now a group of scientist has made a step towards an explanation. Writes daily telegraph
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CONTEXT In the given assignment there is an organization which is facing issues like high attrition rates ‚mostly due to lack of motivations and attitude of employees. INTRODUCTION An organization is a separate legal entity comprising of multiple people‚ who come together to achieve a common goal. To achieve that goal there is need of a proper structure and management which brings everyone in an organization on common platform. If in an organization people are not brought
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In this report we will explain and discuss the inflation rate that happened in Australia for the last three years. The issues uncovered will allow us to see the reasons behind the decreasing in inflation rate in Australia. Lastly we will discuss the type of inflation that will happen after the collection of carbon tax that started in the beginning of July 2012. In the table and chart below are some of statistics that we obtained from several sources to aid our explanation: 1. Euromonitor International
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Ashley King Fin 534 Chapter 6 Hwrk Feb 2nd‚ 2014 1. You are considering investing in one of the these three stocks: Answer: B‚ B;A 2. Your friend is considering adding one additional stock to a 3-stock portfolio‚ to form a 4-stock portfolio. She is highly risk averse and has asked for your advice. The three stocks currently held all have b = 1.0‚ and they are perfectly positively correlated with the market. Potential new Stocks A and B both have expected returns of 15%‚ are in equilibrium
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2013 “What I Heard at the Discount Department Store” ─David Budbill Q: How soon do you understand that a character‚ other than the poet‚ speaks this poem? What is her tone and how do you know it? In David Budbill’s poem‚ “What I Heard at the Discount Department Store”‚ it is evident by line six that someone other than the poet speaks this poem. The poem starts off in first person. The character is an angry mother “dealing” with her young child in a discount department store.
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If you were asked to make a fair evaluation of your teachers‚ what criteria would you use? The profession of a teacher has been one of the most important and responsible ones in the history of mankind. A lot is changing in course of time‚ but the essence of a teacher’s vocation remains the same. He has to guide a person through the early stages of life and help children and teenagers form a strong personality and understand different unwritten laws of society. Below I will present the main criteria
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Homeostasis of BP and Heart Rate A normal blood pressure can be identified by having a systolic pressure of around 120 and a diastolic pressure of around 80. This value is expressed as "120/80". A normal heart rate is expressed as the amount of times it beats in a minute; a normal adult heart rate is between 60-100 beats per minute (BPM). There is a relation between these two measurements‚ but they are stimulated by several different circumstances. The blood pressure is mainly affected
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this experiment I will investigate the relationship between the concentration of the hydrochloric acid and the rate of a reaction. To find this out I will react different concentration of hydrochloric acid and magnesium‚ from there I will monitor the gas (hydrogen) produced and analyse the results. Prediction: I predict the higher the molarity of the hydrochloric acid the faster the rate of reaction therefore the quicker the gas will be produced in the specific time interval. Overview of the
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Fixing an Epidemic: American Dropout Rates In the United States there are tons of problems affecting our youth‚ one very prevalent issue affecting the American youth for a long time has been the very high rates of school dropouts. According to DoSomething.org‚ a non-profit helping raise awareness on various issues affecting young people‚ there is one student who decides to give up on school every 29 seconds. This calculates to approximately 1‚000‚000 American dropouts a year‚ 7‚000 a day (DoSomething)
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