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IB Biology SL C1.1.3 Anabolic & catabolic reactions

IB Biology SL C1.1.3 Anabolic & catabolic reactions
IB Biology syllabusFirst assessment 2025

Practise classifying anabolic and catabolic reactions from examples, diagrams and MCQs involving synthesis, breakdown, condensation and hydrolysis.

How this is tested

  • distinguish anabolism from catabolism in processes such as protein synthesis and respiration
  • classify reactions shown in diagrams as condensation or hydrolysis and anabolic or catabolic
  • apply examples to decide whether molecules are being built up or broken down
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