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A student investigated the effect of enzyme concentration on the mass of product formed in one hour - Edexcel - GCSE Biology - Question 5 - 2018 - Paper 1

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A student investigated the effect of enzyme concentration on the mass of product formed in one hour. Figure 6 shows the results of this investigation. Complete the ... show full transcript

Worked Solution & Example Answer:A student investigated the effect of enzyme concentration on the mass of product formed in one hour - Edexcel - GCSE Biology - Question 5 - 2018 - Paper 1

Step 1

Plotting the points

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Answer

  1. Identify the concentration of enzyme on the x-axis and the mass of product formed on the y-axis.
  2. Using the data from the table:
    • For 5 au: plot a point at (5, 15)
    • For 10 au: plot a point at (10, 22)
    • For 15 au: plot a point at (15, 32)
    • For 20 au: plot a point at (20, 38)
    • For 25 au: plot a point at (25, 40)
    • For 30 au: plot a point at (30, 40)
    • For 35 au: plot a point at (35, 40)
    • For 40 au: plot a point at (40, 40)
  3. Ensure all points are plotted correctly with a tolerance of +/- ½ small square.

Step 2

Drawing the trend line

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Answer

  1. Draw a line connecting the plotted points to illustrate the trend.
  2. Ensure the line shows a steady increase that levels off at 30 au/40 g.

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