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Antigens and cell recognition

Antigens and cell recognition

Cells carry surface molecules, mainly proteins, with precise tertiary structures. These molecules act like identity labels, allowing the immune system to distinguish self from non-self.

Cell recognition and the immune system Lesson

  1. A Level
  2. /Biology
  3. /Cell recognition and the immune system

Step-by-step lessons covering AQA A Level Biology Cell recognition and the immune system for A Level Biology. Each lesson breaks down Cell recognition and the immune system, then works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. 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