DP Biology (first assessment 2025)

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Question 23M.1B.SL.TZ1.d

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.1B.SL.TZ1.d
Level SL Paper 1B Time zone TZ1
Command term Describe Question number d Adapted from N/A
d.
[Maximum mark: 2]
23M.1B.SL.TZ1.d

Using the information in the graph, describe how the experiment could be extended to determine the optimum temperature for immobilized HRP.

[2]

Markscheme
  1. the graph shows the optimum temperature to be near 40 °C;
  2. choose smaller range of temperature (between 30 and 50 °C);
  3. smaller increments of temperature

c. Accept numbers such as 1 or 5 degrees.

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