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Interferons are...

Interferons are

A

Protein products of macrophages which destroy microbes

B

Allergens

C

Antibody molecules

D

Proteins secreted by virus infected cells which protect non-infected cells from further viral infection

Text Solution

Verified by Experts

The correct Answer is:
D
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Read the statements (A - E) and answer the question following them. A - Rheumatoid arthritis is an auto-immune disease. B - During allergy, IgA type antibodies increases in plasma. C- Injection given to patients of snakebite, possess antibiotics. D- Humoral immunity is because of B-cells. E- Interferons are an example of a cytokine barrier. Identify the number of true statements?

Interferon is a protein that

Interferons were discovered by

Assertion : alpha - interferon are used in treatment of cancer. Reason : alpha -interferon provokes immune system to identify tumor cells

Interferons act against viral infection by

Interferons have been used in the treatment of

Assertion: Interferons help eliminate viral infections. Reason: Interferons released by infected cells reach the nearby uninfected cells and make them resistant to viral infection.

Interferon is

Interferon was discovered by

Interferon acts against