Define anabolic and catabolic pathways and give an example each within energy metabolism.

• A. Anabolic pathways break down larger molecules to release energy; catabolic build larger molecules.
• B. Anabolic pathways synthesize larger molecules; catabolic pathways break down molecules to release energy; example: photosynthesis for anabolic, glycolysis for catabolic.
• C. Anabolic reactions break down sugars; catabolic reactions build fats.
• D. Both rely on light.

Answer: (B)