This experiment shows the effects of changing the pH level has on Catalase. As predicted‚ the farther away the pH levels got from the optimum pH (7.2)‚ the lower the reaction rate. At a pH of 7.2‚ the foam of the reaction measures 6cm. At a ph of 3 it measures 2.5 cm‚ at a pH of 5 it measures 2.75 cm‚ at ph 9 it measures 2.3 and at 11cm it measures 2cm. pH measures the hydrogen ion concentration of a substrate. By changing the pH of the catalase‚ the enzyme was denatured. Denaturing is the result
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Ph Lab Report Bryon Kim 123013 B(2) Biology Background information/Research PH paper (litmus paper) determines how acidic or how basic a substance is. The paper changes color accordingly to color code on the pH scale. The pH scale starts from 0 to 14. The lower the number the more acidic it is. Zero is the most acidic‚ and 14 is the most basic while 7 is the neutral number for example water. Examples of an acid is lemon juice or multi purpose cleaner. Examples of a basic substance is shampoo or liquid soap
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Scales of Justice shows a police force where there is a culture of corruption. The parts of the TV program that we saw were made up of two parts‚ The Job‚ and the Game. The Job is about a new probationary officer named Webber‚ and how he is forced to accept the corruption that occurs in the force‚ and ends up getting fired. The Game takes corruption to a new level involving higher powers such as MP’s and non-uniformed officers. They both are good examples of how it is a culture for them. The
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Properties of pH The manufacture’s claim is that Sensodyne toothpaste micro hardens tooth enamel to help protect against the effects of acid wear‚ helps stop the twinges of pain from sensitive teeth formulated with low abrasivity‚ neutral pH and gentle yet effective cleaning system. To find out if the manufactures claim on Sensodyne toothpaste is the correct level of pH. I expect the Sensodyne toothpaste to be a neutral pH level as the manufactures claim that this products pH level is neutral
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can reach a new pH level by interacting with soil. If water has a pH that is too high or too low‚ it can be life threatening to aquatic species and can corrode metal structures. After finding this out‚ I decided to test if water could reach an extreme pH just by interacting with soil around it. The question for this experiment therefore became the following. Will interaction with soil change the pH of water? I hypothesized that if water interacts with soil for three days‚ then the pH of the water will
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Likert Scales …are the meaning of life: Dane Bertram Note: A glossary is included near the end of this handout defining many of the terms used throughout this report. CPSC 681 – Topic Report Dane Bertram Likert Scale \lickurt\‚ n. Definition: A psychometric response scale primarily used in questionnaires to obtain participant’s preferences or degree of agreement with a statement or set of statements. Likert scales are a non‐comparative scaling technique and a
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Returns to Scale Returns to scale is a concept that tries to explain the behaviour of the output in relation to the change in the total scale of operations of the firm. A change of scale of operations means a change in the total size of the firm‚ i.e. a change in both labour and capital of the firm. For determining the returns to scale‚ we need to calculate the Output Elasticity where: Output Elasticity = % change in Output/% change in all inputs The different types of returns to scales are:
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Chrysler also known as Americas ‘Big Three’ automobile companies are located in this city. The concept of External Scale Economies can help us explain why these three major companies are located in this area. Scales economies are important for a country because they represent a growth in its economy. Companies are able to produce more products or services at a lower cost of input. “External scale economies are based on the size of an entire industry within a specific geographic area.”1 These companies bulk
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The Braden scale can identify if an individual is at risk for developing pressure ulcers. The Braden scale has a numerical (6-23) rating system based on ones sensory perception‚ skin exposure to moisture‚ physical activity‚ mobility‚ nutrition‚ and risk for friction and shearing (Braden‚ Maklebust‚ & Maklebust‚ 2005). A lower Braden Scale Score is and indicator that an individual is at a greater of developing a pressure ulcer due to ones lowers level of functioning. Whereas a higher score indicates
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RATING SCALES INTRODUCTION Rating scales‚ as the name implies‚ are scales for rating each of the characteristics or activities one is seeking to observe or assess. A rating scale is a set of categories designed to elicit information about a quantitative or qualitative attribute. They enable an observer to systematically and objectively observe a person and record those observations. In the social sciences‚ a common example is the Likert scale in which a person is person selects the rating which
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