객관식
What is a cytokine?
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21. The Immune System
Cell Communication: Cytokines
객관식
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 macrophages to kill ingested microbes.
C
They are secreted by one cell and trigger cellular response in another cell.
D
They work as a complex of proteins to produce a hole in microbial cell membranes to lyse them.
검증된 단계별 안내1
Understand the role of cytokines in the immune system. Cytokines are signaling molecules that mediate and regulate immunity, inflammation, and hematopoiesis.
Recognize that cytokines are not directly involved in binding to microbes or killing them within phagolysosomes. Instead, they act as messengers between cells.
Identify the primary function of cytokines: they are secreted by one cell and trigger a response in another cell, facilitating communication within the immune system.
Differentiate cytokines from other immune components like complement proteins, which can directly lyse microbial cell membranes.
Consider examples of cytokines such as interleukins, interferons, and tumor necrosis factors, which illustrate their role in signaling and modulating immune responses.
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