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Question
Biology
Posted 5 months ago
discuss how an immune system would react to a new encounter with ebola virus
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Answer from Sia
Posted 5 months ago
Answer
The immune system's response to a new encounter with the Ebola virus
Solution
a
Recognition: The immune system first recognizes the Ebola virus as a foreign pathogen through pattern recognition receptors (PRRs) on immune cells. These receptors identify pathogen-associated molecular patterns (PAMPs) present on the virus
b
Activation: Once recognized, the immune system activates innate immune responses. This includes the release of cytokines and chemokines to recruit immune cells to the site of infection
c
Antigen Presentation: Dendritic cells and macrophages engulf the virus and present its antigens on their surface using major histocompatibility complex (MHC) molecules
d
Adaptive Immune Response: T cells recognize the presented antigens and become activated. Helper T cells (CD4+) stimulate B cells to produce antibodies, while cytotoxic T cells (CD8+) target and kill infected cells
e
Memory Formation: Some B and T cells become memory cells, which provide long-term immunity by quickly responding to future encounters with the Ebola virus
Key Concept
Immune system response to Ebola virus
Explanation
The immune system recognizes the Ebola virus through PRRs, activates innate responses, presents antigens, and mounts an adaptive immune response involving T cells and B cells, ultimately forming memory cells for long-term immunity.

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