IB Biology C1.1.3 Anabolic & catabolic reactions
IB Biology C1.1.3 Anabolic & catabolic reactions

IB Biology syllabusBiology SL/HLFirst 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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