How Do Cytokines Function

question 2

Multiple Choice

How do cytokines function?

• A) They bind directly to microbes to enhance their chance of being ingested (phagocytosed).
• B) They are secreted in the phagolysosomes of neutrophils to effect killing of ingested microbes.
• C) They are secreted by one cell type in the vicinity of another cell. They then bind to a receptor on the 2nd cell, causing a signal within that cell that turns on (or off) certain genes to achieve a response.
• D) They work as a series of serum proteins to produce a hole in microbes to directly lyse them.

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