The Enzyme Lactase Experiment Design How does pH affect how lactase drops work to break down lactose into glucose and galactose? What variable will you change in this experiment? This is also called the Independent variable. How will you change it? What variable will you measure in this experiment to determine the effect of the variable you changed? This is also called the Dependent variable. How will you measure it? What variables will you keep the same in this experiment? Check off the items in this list that you would use for this experiment. You may add any items you feel you would need. Skim milk (which contains lactose) Lactase drops Graduated cylinder Eye dropper Ice cubes pH paper Hot plate Mixing spoon Thermometer Vinegar (acidic) Test tubes Glucose test strips Baking soda (basic) Other items you feel you would need to use for this experiment. Describe what you would do in your experiment. For each step, explain why the step is important. Add more steps if required. Step: Why this step is important: If you actually conducted this experiment, what safety issues would you need to identify? If you actually conducted this experiment, what appropriate precautions would you take to ensure that you performed the experiment safely? If you actually conducted this experiment, what results would you expect to see? Why would you expect these results

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The Enzyme Lactase Experiment Design How does pH affect how lactase drops work to break down lactose into glucose and galactose? What variable will you change in this experiment? This is also called the Independent variable. How will you change it? What variable will you measure in this experiment to determine the effect of the variable you changed? This is also called the Dependent variable. How will you measure it? What variables will you keep the same in this experiment? Check off the items in this list that you would use for this experiment. You may add any items you feel you would need. Skim milk (which contains lactose) Lactase drops Graduated cylinder Eye dropper Ice cubes pH paper Hot plate Mixing spoon Thermometer Vinegar (acidic) Test tubes Glucose test strips Baking soda (basic) Other items you feel you would need to use for this experiment. Describe what you would do in your experiment. For each step, explain why the step is important. Add more steps if required. Step: Why this step is important: If you actually conducted this experiment, what safety issues would you need to identify? If you actually conducted this experiment, what appropriate precautions would you take to ensure that you performed the experiment safely? If you actually conducted this experiment, what results would you expect to see? Why would you expect these results

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