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Enzymes and metabolism

Enzymes and metabolism

Metabolism is the sum of all the chemical reactions in an organism. It includes anabolism, which builds molecules using energy, and catabolism, which breaks molecules down and releases energy.

Enzymes Lesson

  1. A Level
  2. /Biology
  3. /Enzymes

Step-by-step lessons on OCR A A Level Biology Enzymes. Each one builds up to exam-style questions. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons