Discussion The data demonstrates that there is a larger temperature change in the cheese and bacon balls compared to the popcorn. This temperature change of the water is due to the cheeseball having more energy due to its fats and sugars‚ therefore releasing more heat and differing the temperature more than the popcorn with the less fat and sugar. The mass of the food was consistent throughout the experiment ranging from 2.98 - 3.25‚ therefore the mass of food combusted was consistent as well. The
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pH & Enzyme Action Aim: To inspect the effects of the pH on enzymes. Apparatus: 100 cm³ Beaker 3 – 5cm³ Syringes 2 Test Tube Racks with 8 Test Tubes Stop-watch Ruler Dropping bottle of detergent Marker Pen Masking Tape 400cm³ Hydrogen Peroxide 200cm³ Liver Catalase Solution 100cm³ of following Buffer Solution – pH5 pH7 pH9 pH11 Method: The materials were collected. The test tube rack one with 4 test tubes had been labelled A to D. The 2cm³ of each buffer solution
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Enzyme Activators and Inhibitors Lucia House AP Biology‚ Block 4 Mr. Trice October 18‚ 2012 Introduction: Metabolism is the totality of all of an organism’s chemical reactions. Chemical reactions occur due to enzymes‚ a substance which acts as a catalyst in driving chemical reactions in order to produce a desired product (Campbell and Reece‚ 2002). A catalyst is usually a protein; however‚ some catalytic molecules counter this generalization. A discovery made in the early nineteen- nineties
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she long to lose weight. These women have one thing in common‚ a body image problem. Many would ask what is wrong with a little body image issue? Aren’t most people discontent with some aspects of their body? The answer is yes‚ but a body image problem is a more dangerous thing than just discontentment. So what is body image? Body image is the idea of how people picture themselves and how they think other people picture them. HOW SOCIETY PERCEIVES IT
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How does the media affect teenage girls perception of body image? Community and Family Studies Year 12 Due Date: 6th March 2012 Contents Title page _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Pg 1 Contents_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Pg 2 Abstract_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Pg 3 Acknowledgements_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Pg 4 Introduction_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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If the earth was at an axial tilt of 0° there would be absolutely no seasonal change‚ the temperature would remain even at all times of the year. The temperature around the equator (0°latitude) would be about 40°C or 104°F‚ and the 80°N latitude would be at about -35°C or -31°F; with the temperatures remaining this way all year round and no seasonality migration and aggregation of the poles would be mythical; also would be too cold for reproduction hence no “annual flush of productivity.” In the
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Caffeine...Does it truly affect the body? Everyday millions of Americans go through cups of coffee a day and most people don’t even know how it affects your body. I am one of those people and I have always wondered what caffeine does to my body. This topic interest me a lot because I drink coffee on a daily about 2 times a day and I want to know if there are any short term effects and long term effects and if I should be worried about drinking too many drinks with caffeine in them. I want to find
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HINTS ON WRITING YOUR REPORT Title: Enzyme activity Objective: To investigate the effect of temperature on amylase activity Design principle Background: Amylase activity products? (show the equation) Which factors will affect enzyme activity? How to study the rate of reaction? (e.g. rate of disappearance of substrates or rate of formation of products) Independent variable: temperature of reaction mixture or at which the enzymatic reaction occurs. It can be varied by setting water bath at
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have a normal-body weight have said that they think about their body all the time or almost all the time. There are many people‚ mostly women that struggle with thinking negatively about their body. The problem of negative body image can be solved by teaching people to not idolize celebrities and their bodies‚ stop weighting themselves daily or weekly‚ and realizing that being prejudice to size and shape is a form of discrimination( Body Image). Body image consists of not only how human beings view
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Do you know what Potassium cyanide is‚ what it does to your body‚ and what its use is? This paper will answer all those questions‚ and will specifically examine how potassium cyanide affects the body and how it is used. Potassium cyanide is a white crystalline salt solid that has a faint‚ bitter-almond like smell. It’s empirical formula is KCN. The taste of KCN is described as burning the tongue and tasting acrid. This compound deliquescent‚which means that it tends to dissolve. The appearance is
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