Toexplain: The way through which a flagellum works in the presence of an attractant. Concept introduction: The bacteria are the prokaryotes,which have no organelles. They are single-celled organisms. Their cell wall has peptidoglycan and they reproduce by binary fission. There are few accessory structures that are originated from the exterior of a bacterial cell. These structures are not always present in all bacteria. They are divided into two groups: those which provide motility and those which provide channels or attachment points.

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Awnser these Discussion Questions Answer these discussion questions and submit them as part of your lab report. Part A: The Effect of Temperature on Enzyme Activity Graph the volume of oxygen produced against the temperature of the solution. How is the oxygen production in 30 seconds related to the rate of the reaction? At what temperature is the rate of reaction the highest? Lowest? Explain. Why might the enzyme activity decrease at very high temperatures? Why might a high fever be dangerous to humans? What is the optimal temperature for enzymes in the human body? Part B: The Effect of pH on Enzyme Activity Graph the volume of oxygen produced against the pH of the solution. At what pH is the rate of reaction the highest? Lowest? Explain. Why does changing the pH affect the enzyme activity? Research the enzyme catalase. What is its function in the human body? What is the optimal pH for the following enzymes found in the human body? Explain. (catalase, lipase (in your stomach),…

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Chapter 3.2, Problem 6AYP

Summary Introduction

Toexplain:

The way through which a flagellum works in the presence of an attractant.

Concept introduction:

The bacteria are the prokaryotes,which have no organelles. They are single-celled organisms. Their cell wall has peptidoglycan and they reproduce by binary fission. There are few accessory structures that are originated from the exterior of a bacterial cell. These structures are not always present in all bacteria. They are divided into two groups: those which provide motility and those which provide channels or attachment points.

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Awnser these Discussion Questions Answer these discussion questions and submit them as part of your lab report. Part A: The Effect of Temperature on Enzyme Activity Graph the volume of oxygen produced against the temperature of the solution. How is the oxygen production in 30 seconds related to the rate of the reaction? At what temperature is the rate of reaction the highest? Lowest? Explain. Why might the enzyme activity decrease at very high temperatures? Why might a high fever be dangerous to humans? What is the optimal temperature for enzymes in the human body? Part B: The Effect of pH on Enzyme Activity Graph the volume of oxygen produced against the pH of the solution. At what pH is the rate of reaction the highest? Lowest? Explain. Why does changing the pH affect the enzyme activity? Research the enzyme catalase. What is its function in the human body? What is the optimal pH for the following enzymes found in the human body? Explain. (catalase, lipase (in your stomach),…

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How did the color differences between the two bacterial species you used in this experiment help you determine if the streak plate method you performed was successful?