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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UNIVERSITY OF MARYLAND CENTER FOR ADVANCED STUDY OF LANGUAGE What makes listening difficult? Factors affecting second language listening comprehension Amber Bloomfield‚ PhD Sarah C. Wayland‚ PhD Purpose—To establish what is currently known about factors that affect foreign language listening comprehension‚ with a focus on characteristics of the listener‚ passage‚ and testing conditions. Elizabeth Rhoades‚ MA Allison Blodgett‚ PhD Conclusions—Research on second language (L2) listening
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squirrel-cage LIKE DISC BRAKE WITH NANOMATERIS Program：MscATM Course: MBE6022 Project Development Name： CHEN XiaoYin Std. ID: 52695116 Tutor： Pro. Dung Sun & Dr. Kaili Zhang Date: 23112012 Abstract As the increasing requirements for occupant safety‚ this project aims to study brake performance of disc brake. It proposed a new design for normal disc brake: restructure the disc and reselect
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lack of job opening in our society. Even those who are fresh graduates in college are hard to get job‚ mostly those graduated in college are jobless and they are vacant only in their house. This is the reason why Philippines tackles unemployment rate in economic crisis. Once‚ there are job openings that need many options and requirements‚ so other people are not qualified of it and they may experience hard getting a job. Also‚ because of unemployment crisis here in Philippines‚ mostly Filipino
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As the birth rates in recent years have been declined rapidly‚ the social issues that associate with older people’s social care come in quick succession. It is important to find out the way in solving these severe problems instead of ignoring. Therefore‚ this essay would analyze the approaches that different countries used and obtain the most sustainable way in order to achieve the social balance. Before comparing the elderlies’ social care approaches in different countries‚ providing the backgrounds
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Heart Rate Research Question: Do different exercises have different effect on heart rate? Method: 1. Find test subject 2. Prepare for activity (stretching) 3. Take heart rate of subject before exercise 4. Record heart rate 5. Do sit ups for 2 mins 6. Time using stop watch 7. Record heart rate 8. Allow subject to rest (lower heart rate) 9. Begin next exercise 10. Jumping jacks for 2 mins 11. Time using stopwatch 12. Record heart rate 13. Allow subject to rest (lower heart rate) 14. Squats for
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Chapter 1 Role of Financial Markets and Institutions 1. Financial market participants who provide funds are called A) deficit units. B) surplus units. C) primary units. D) secondary units. 2. The main provider(s) of funds to the U.S. Treasury is (are) A) households and businesses. B) foreign financial institutions
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The society as a whole is worse off. This is because cash is the financial asset and it becomes is a liability of the government upon the time you found the cash. So‚ the taxpayers will have to make up for the government liability. 2. The average rate of return on investment in large stocks has outpaced that on investments in T-Bills by about 8% since 1926 in US. Why‚ then‚ does anyone invest in T-Bills? Answer: This is because T-bill is regarded as an almost risk free asset as it is backed
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The correlation between the occurrence of photosynthesis and different lengths of light waves. Introduction Photosynthesis is an exceptionally interesting process that is used by some organisms and plants. In the conversion of light energy from the sun to chemical energy that is used as food‚ photosynthesis is used for the everyday undertakings by some organisms and plants during their life span. This complex method of energy production is also represented by the equation: 6CO2 + 6H2O C6H12O6
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SOLAR TEA LEAF CUTTING MACHINE SYNOPSIS Generally the cutting and plate are made in plastics. The plastics are harmful and it has many disadvantages to us. By naturally we get leaves‚ Leafs by using this we can make cups. It is very cheap and it does not have any chemical effects. The Leaf cup is made by a solar tea leaf cutting machine. The machine is operated by the solar power cutting making system. By using this we can produce cutting at high production rate. By using different shape
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