DP Chemistry (last assessment 2024)

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Question 20N.3.hl.TZ0.10a

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.3.hl.TZ0.10a
Level hl Paper 3 Time zone TZ0
Command term Identify Question number a Adapted from N/A
a.
[Maximum mark: 1]
20N.3.hl.TZ0.10a

The kinetics of an enzyme-catalysed reaction are studied in the absence and presence of an inhibitor. The graph represents the initial rate as a function of substrate concentration.


(a)

Identify the type of inhibition shown in the graph.

[1]

Markscheme

non-competitive «inhibition» ✔

Examiners report

Most scored the one mark here for identifying the correct type of inhibition, namely, non-competitive inhibition.

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