IB Biology SL 8.1.2 Metabolism and enzymes Question Bank
Practise IB Biology SL 8.1.2 by defining metabolism and explaining how enzymes lower activation energy in linked pathways.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Define metabolism as the network or totality of enzyme-catalysed reactions in an organism.
- Explain how specific enzymes speed pathway reactions by lowering activation energy.
C1.1.2—Role in metabolism question 1
[Maximum number: 1]
Define metabolism.
(the web of all) the enzyme-catalyzed reactions in a cell/organism OR
the totality of an organism's chemical reactions (consisting of catabolic and anabolic pathways which manage the material and energy resources of the cell)
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