Evolution of the immune system - Stages of immune evolution
5 important questions on Evolution of the immune system - Stages of immune evolution
What is the first stage of immune evolution?
- Enzymes (CRISPR in bacteria)
- Antimicrobial peptides
- Phagocytosis
What is the second stage of immune evolution?
- Germline-encoded receptors
- Cellular defenses (phagocytosis)
What is the third (and last) stage of immune evolution?
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
What are RAG enzymes?
How did RAG enzymes lead to adaptive immunity refinement?
The question on the page originate from the summary of the following study material:
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding

















