DP Biology (first assessment 2025)

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Question 23M.2.SL.TZ2.2b

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.2.SL.TZ2.2b
Level SL Paper 2 Time zone TZ2
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
23M.2.SL.TZ2.2b
(b)

This reaction forms part of a metabolic cycle. Outline one feature of a metabolic cycle that distinguishes it from a chain.

[1]

Markscheme
  1. initial molecule/substrate/intermediates are regenerated;
  2. products become substrates/reactants;

Accept clearly annotated diagrams.

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