Questions for group discussion 1 If the goal of the activity is to see what

Questions for group discussion 1 if the goal of the

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Questions for group discussion: 1) If the goal of the activity is to see what happens to the rate of enzyme activity, then how can we determine this rate from our graphs? We can calculate the slope of the graph at different time points. Recall the formula for calculating a slope at a point in your line or curve: slope = _ Δ y_ = _y 2 y 1 _ Δ x x 2 x 1 Do this for 2 time points in your graph (early in the experiment and late in the experiment). For example, you could do this calculation for your early slope calculation (taken from the experiment 4 data): slope = _1.00 mL H 2 O 2 broken down 0.40 mL H 2 O 2 broken down_ 30 seconds 10 seconds your early slope your late slope Make sure your measurements have units labeled with the number. Measurements ALWAYS NEED TO HAVE units! 2) Using your calculations and your knowledge of graphs, broadly label regions of your graph where your enzyme rate is fast, or slow, or constant. Make sure you and your lab partners understand this. 3) Which set of data do you think actually represents what happens to enzyme activity rate over time? Why? (just think about it, we’ll do another activity to make sure you understand why)
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Graph for enzyme activity rate hypotheses With 4 different hypotheses and data sets, each group member should be able to complete at least one of the graphs. For this activity, graph the time of activity vs. the amount of H 2 O 2 decomposed by the enzyme. Rubric often used for graphing questions on the AP biology exam: _____ constructs correct type of graph (line or bar graph) _____ ALL labeling present (overall title, X and Y axis title, units of measurement for each axis) _____ even scaling for X and Y axis _____ correct data plotting / summary trend (smooth curve or line … do NOT connect the dots) _____ if line graph, draws summary trend that does NOT go beyond data points
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  • Fall '16
  • idk
  • Enzyme, potential data

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