Effects of Temperature‚ pH‚ Enzyme Concentration‚ and Substrate Concentration on Enzymatic Activity INTRODUCTION Enzymes‚ proteins that act as catalysts‚ are the most important type of protein[1]. Catalysts speed up chemical reactions and can go without being used up or changed [3] Without enzymes‚ the biochemical reactions that take place will react too slowly to keep up with the metabolic needs and the life functions of organisms. Catecholase is a reaction between oxygen and catechol
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Enzymes lower the activation energy of chemical reactions but they themselves are not consumed or altered when doing so. These catalysts work best at optimum temperatures and pH’s. The temperature and pH at which the reaction occurs the quickest is the ideal condition for the enzymatic reaction. Alpha amylase converts starch into glucose and when starch is combined with I2KI indicator a dark purple solution forms. As the enzyme breaks down the starch the absorbency will decrease. The absorbency
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Investigation Into Temperature Sensors Introduction In this project I will be investigating how it is possible to use a temperature sensor to keep a greenhouse from changing temperature too much. This is intended to help plants live and grow in their optimum temperature. This will create a perfect temperature for the enzymes in the plants to work in‚ and therefore resulting in a maximum growth/production rate. This could be useful for gardeners who wish to grow plants as quickly as possible
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Heat and Temperature Heat is often described by the average individual as being the change in temperature from hot to cold. “Often the concepts of heat and temperature are thought to be the same‚ but they are not.” Heat and Temperature‚ para. 2) Perhaps the reasoning behind the incorrect reasoning is that humans associate the two together because when heat is applied to an object the temperature rises. The kinetic theory of matter better explains the underlying cause as to what takes place
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What effect does temperature have on the oxygen production of enzymes in an animal’s liver? A temperature which is too high would be able to produce little to no oxygen because of the extreme temperature. Just like a temperature too high‚ a temperature which is too low would also produce little to no oxygen for the same reason. Animals that have livers are considered warm-blooded‚ with very warm temperatures; therefore it would make sense for a warm temperature to produce the most oxygen; but one
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Does Adding Salt to Water Make it Boil at a Higher Temperature? Project Design Plan Everyone knows that water boils at 212°F‚ but does adding salt to a pot of water make it boil at a higher temperature? Being a person that cooks frequently at home‚ I wanted to test the debated idea that adding salt to my water will make it boil faster. One of my friends says it does raise the temperature and therefore cooks it faster. My other friend says it only helps it taste better. Literature
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substance produces oxygen and sulfur. This substance cannot be a(n) Your Answer: | element. | | | An element cannot be broken down into other elements. | | 2. | | Pick the chemical change that occurs when a lit match is held under a piece of metal. Your Answer: | match burns | | | Chemical changes‚ which release heat and light‚ occur during the combustion process. | | 3. | | Which identification is incorrect for the elements listed? Your Answer: | Zn‚ zirconium | | | Zn is
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The piece of metal is longer than the piece of wood b) Solution 1 is much darker than solution 2. c) The liquid in beaker A is blue. d) The temperature of the liquid is 60°C. e) At least two of these (a-d) are quantitative observations. ANS: d) The temperature of the liquid is 60°C. Page: 1.2 5. A quantitative observation a) contains a number and a unit. b) does not contain a number. c)
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Group No. Date: Leader : Section: Members: Experiment no: 1A Data and Results: Initial Temperature: To = 25 degrees Celsius Final Temperature: Tf = 100 degrees Celsius Rod | Initial length | Change in Length | Coefficient of Linear Expansion(Exp) | Coefficient of Linear Expansion(Theo) | % Error | Steel | 40 | .035 | 1.17 x 10 / C | 1.1 x 10^-5/ C | 6.36% | Copper | 40 | .055 | 1.8 x 10 ^-5 /C | 1.7 x 10^-5 /C | 5.88% | Computation : Conclusion: 1. A bemetalli
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Name: Chelsea Smith States of Matter Lab Procedure: Go to: HYPERLINK "http://phet.colorado.edu/en/simulation/states-of-matter" http://phet.colorado.edu/en/simulation/states-of-matter and click on Run Now States of Matter Review: Kinetic energy (KE) is the energy of motion. Potential energy (PE) is the energy of position. What property of a substance corresponds to the average KE of its particles? Temperature What property of a substance corresponds to the average PE of its particles
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