Lab 6: Enzymes . header Purpose: The purpose of this lab is to test for enzyme activity‚ look at enzyme specificity‚ and how temperature affects enzyme activity. Time need to perform this lab: approximately 3 hours Preparation FIRST: Read the lab in its entirety TWICE before you begin. You will perform the experiment‚ write your lab report and include the answers to the additional 4 questions within the text for full credit on this experiment. Materials: •3% hydrogen peroxide •a
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Biology 1st Group Lab Report Objective: - To study the transpiration rate of a plant (Gou Qi) by using the bubble photometer. Assumption: - The rate of transpiration is equal to the rate of water uptake of the plant(Gou Qi) . Theory: |Independent Variable |Dependent Variable |Controlled Variable | |The environmental conditions: | Rate of water uptake by transpiration of the
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stock markets. A suffering housing market also contributed to the economic recession. While there were many factors that triggered the global market meltdown‚ this paper will focus on the factors that created the U.S. housing bubble and how the bursting of the U.S. housing bubble sparked the recession. Home ownership is part of the “American Dream‚” but because homes can be expensive‚ most people need to borrow money to buy them. In the early 2000s‚ mortgage rates were low‚ which allowed people to
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Catalase Lab Purpose: To observe the effects of hydrogen peroxide on living tissue and non-living materials‚ showing the presence or absence of catalase as observed by the presences of bubbles. Hypothesis: If we pour H2O2 on certain substances‚ the catalase will break down and bubbles will appear at the surface. Data table: Name | Time | Observation | Raw Potato | 1 min. 30 sec. | Slow reaction‚ barley any bubbles. | Raw Liver | 5 min. 30 sec. | Extremely fast reaction‚ very foamy‚ Big
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Stacy Hernandez Period 1 Mrs. Riley AP Biology Osmosis and Diffusion Lab I. Introduction: Diffusion is vital to many life functions of a cell‚ it allow the transportation of vitally important nutrients and compounds without the expenditure of excess metabolic energy. To explain diffusion‚ it is as if a bottle of perfume is opened at one end of the room‚ then in a short amount of time a person at the other end of the room can detect the scent of the perfume; this is the process of diffusion
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reactions occur in the chloroplasts and require light energy. 6CO2 + 6H2O C6H12O6 + 6O2 In aquatic plants‚ the production of oxygen can be used to measure the rate of photosynthesis as the oxygen bubbles can be observed and counted or collected and measured. Your task is to design an experiment to investigate one of the factors that affects photosynthesis. Once you have chosen which factor you are going to change then you should‚ if necessary‚ do
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A misguided attempt to lighten the nation’s debt burden led directly to the South Sea Bubble in 1720‚ and frequent wars caused banks to call in loans‚ leading to sharply slower economic growth. Wartime borrowing crowded out investment. Far from fostering economic development‚ England’s financial revolution after 1688 did much to slow it down. The South Sea Bubble‚ apparently‚ was preceded by a discursive bubble. Early modern capitalist markets evolved‚ financial systems developed‚ and English economic
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Experiment: Observations of Chemical and Physical Changes Derrick Davis Lab partner: None Location: My house Date Performed 25 Feb 15; 1600 CHE111-CO2 Photo 1 (Photo of me properly wearing safety goggles holding the student information card) Abstract: In chemistry it is important to understand the difference between physical and chemical changes. The objective of this experiment was to perform tests using heat or chemical mediators and observe the results for any physical or chemical changes
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I did this lab to find out the differences between chemical and physical changes. I also did this lab to learn the signs that would indicate the chemical reactions and physical changes. I needed to learn the odor change‚ color change‚ bubbles or gas‚ irreversible‚ temperature changes and finger prints. By the end of the lab‚ my goal was to be able to didtinguish easily the difference between chemical and physical changes. Question #1 answer. 1. Gas. 2. Dissolved in water. 3
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The Mississippi Bubble‚ that took place in France in 1717‚ has been compared to the subprime crisis that began in 2006 in the United States. The similarities between the two crises were not actually noticed until after the subprime crisis had begun. The similarities are present in the development‚ policy responses‚ and the roles that each government played. Could these two crises that occurred more than 300 years apart be so similar that with a proper analysis of the Mississippi Bubble have helped in
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