Class 12th Biology 2016 Set1 Outside Delhi Board Paper Solution

Question 15

(b) What are interferons? Mention their role.

Answer

Interferon : These are proteins made and released by host cells in response to the presence of pathogens such as viruses, bacteria, parasites etc.

Role: It inhibits viral infections and stimulates the entire immune system to fight disease. It also regulates many kinds of cell functions.

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