Biotechnology Question: What is P-K reaction? Biotechnology Interview QuestionAnswer: The response produced when an allergen is injected into an individual, who is sensitive is called P-K reaction. Previous QuestionNext QuestionCan muscular dystrophy people take clarithromycin 500mg by IV drip if they are allergic to erythromycin - cant find muscular dystrophy people in the clinical trials? Could it destroy the dystrophin gene and increase their CPK levels?What are high affinity receptors?