Below is a figure that summarize human adaptive immunity. Based on this, please answer briefly answer the following questions. Humoral (antibody-mediated) immune response Cell-mediated immune response Key Antigen (1st exposure) Stimulates Gives rise to Engulfed by Antigen- presenting cell B cell Helper T cell Cytotoxic T cell Memory helper T cells Antigen (2nd exposure) Plasma cells Memory B cells Memory cytotoxic T cells Active cytotoxic T cells Secreted antibodies Defend against extracellular pathogens Defend against intracellular pathogens and cancer (a) Please explain why vaccine based on inactivated viruses can help protect human from the infection of COVID-19. (5')
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Inactivated viruses are used in vaccines because they can no longer replicate or cause disease, but they still contain the viral proteins that can be recognized by the immune system. Show more…
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Question 13 The following is true of the innate immune system: A. Evolutionarily pre-dates the Adaptive Immune System and serves as an early warning system for the slower but more specific adaptive immune system in higher animals. B. All of those things mentioned. C. Plays a major role in Phagocytosis. D. It is responsible for fever and inflammation.
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5. A) What are the main differences between innate and adaptive immunity? B) What is the difference between humoral and cell-mediated immunity? C) Give an example of each: adaptive cell-mediated immunity, innate cell-mediated immunity, adaptive humoral immunity and innate humoral immunity.
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