DP Biology (first assessment 2025)

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Question 19N.1A.HL.TZ0.29

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.HL.TZ0.29
Level HL Paper 1A Time zone TZ0
Command term Deduce Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
19N.1A.HL.TZ0.29

The grey line in each of the graphs below represents the rate of reaction catalysed by an uninhibited enzyme as substrate concentration is increased.

Which graph shows expected results if a competitive inhibitor was added to the reaction?

[Source: © International Baccalaureate Organization 2019]

[1]

Markscheme

B

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