The Effect of Molecular Weight on the Diffusion Rate in Substances Nadjah B. Hadji Amer Gladys A. Oliveros Rochelle R. Yaῆez Jan Remon B. Caliguid Group 2- Sec. W78-1 August 14‚ 2013 A scientific paper submitted in partial fulfilment of requirements in Biology 101.1 under Prof. Kimverly Hazel Coronel‚ 1st sem‚ 2013-2014 ABSTRACT The effect of molecular weight on the rate of diffusion was assessed using the agar-water gel test. The agar-water gel set up was composed of a six petri
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w The Effect of Changing the surface area on the Rate of Reaction? By : 22/10/2013 The effect of changing the surface area on the rate of reaction? Unit Question: Should we speed things up or slow them down? Hypothesis: According to collision theory‚ should the surface area increase the amount of collisions increase increasing the rate of reaction. Therefore‚ my hypothesis is that when the surface area
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The Importance of Exercise Exercising is a key component of living a healthy life. “Regular exercise is necessary for physical fitness and good health. It reduces the risk of heart disease‚ cancer‚ high blood pressure‚ diabetes and other diseases. In my generation exercising can be over looked.”(Why is) People seem to be consumed more with television shows‚ fast food‚ and other unhealthy activities. “The average American watches three and a half hours of television every day. That adds up to 56
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number one killer is heart disease‚ which can easily be prevented by exercising. More that 1.6 billion people in the world are either overweight or obese and United States has the highest rate of obesity. Exercise not only reduces your risk for health problems and several diseases‚ but it also has an effect on overall appearance. It’s proven that exercising can improve self-esteem and confidence. Excerising has numerous benefits and it can even be fun. It’s important you exercise so that you can live
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Cardiovascular System: The Heart Purpose Explain why you did this exercise. Where there any safety precautions you needed to follow? If so‚ what were they? The safety precautions in this exercise were to wear goggles and gloves due to being exposed to chemicals and dissection of the sheep and cat heart. Appropriate work space was also required. Exercise 1: Microscopic Anatomy
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Biology Controlled Assessment. Kenishia Pascal 10x3. Investigating How Different Concentration Effects The Rate Of Reaction. Strategy A Possible Factors * Source of catalase * Concentration * Surface Area of enzyme * Concentration of enzyme * pH * Temperature Chosen Factor We chose to investigate the concentration of enzyme as we had previously investigated the optimum temperature for catalase in the preliminary investigation. Concentration of enzyme
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We’ve all heard it before‚ "Exercise is good for you because...." Nowadays you can’t check out at the grocery store or do much of anything without being reminded that we mortal humans need to exercise. Still‚ we persist‚ procrastinate and eventually complain that we’re overweight‚ sick‚ dying‚ etc. Listen. Some exercise is better than none‚ more exercise is generally better than less‚ and no exercise can be disastrous. No one is asking for you to start a rigorous daily regimen‚ just do something
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both the mental and physical health aspects. Positive exercise habits formed in childhood tend to carry over into adulthood‚ thus helping reduce death and illness in the future. There are many other positive benefits that come through the form of exercise. Just as well‚ there are negative effects that can results from lack of exercise. Developing and instilling the importance of exercise through education is valuable to the youth of exercise. When determining physical activity‚ it is important
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| | | | | | | | | | | | | Discussion In this experiment‚ the amount of CO2 evolved for different concentrations of Convollaria roots was studied. The question being answered was what kind of effect the increase in concentration of Convollaria roots had on the rate of fermentation. The hypothesis was that the antimicrobial activities in Convallaria majalis’s roots would hinder the process of yeast fermentation because it will cause self- destruction or death in the microorganism
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Introduction: The rate of photosynthesis varies greatly with changes in wavelengths of light. Light’s colour is determined by its wavelength of light‚ and thus it is possible to devise an experiment to determine which wavelengths of light are most productive for photosynthesis than others. In this experiment I use a plant called Elodea (pond weed). Elodea is native to North America and it is also widely used as aquarium vegetation. The basic structure of these plants are whirls of leaves around
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