How Do Cytokines Function

question 83

Multiple Choice

How do cytokines function?

• A) They are produced by several cell types and bind directly to microbes to enhance their chance of being ingested, in a process called opsonization.
• B) They are secreted by lysozomes into the phagosomes of neutrophils to enhance the killing of ingested microbes within those organelles.
• C) They are secreted by one cell type, then work as a series of serum proteins to produce holes in the cytoplasmic membranes of microbes to directly lyse them.
• D) They are secreted by microbes that have been engulfed by phagocytes, causing those cells to produce destructive enzymes and undergo apoptosis.
• E) They are secreted by one cell type, then bind to a receptor on target cell causing a signal within that cell that turns on (or off) certain genes to achieve a response.

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Definitions:

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