Identify the biological response modifier substance which activates the immune system and helps in destroying the tumor.

Step-by-step solution

Tumor cells can avoid detection and destruction by the immune system. To counter this, patients are given substances called biological response modifiers. -interferon is a biological response modifier that activates the immune system and helps in destroying the tumor. Histamine and serotonin are chemicals involved in inflammatory and allergic reactions. -lactalbumin is a protein found in milk. Answer: -Interferon