All of the following are true of antigen-presenting cells (APCS) EXCEPT: APCs process antigens from phagocytized microbes and present them to lymphocytes They include macrophages and dendritic cells They play a key role in eliciting (triggering) specific immune responses APCS by themselves can remember prior exposure to specific microbial antigens and respond specifically to them They interact directly with lymphocytes
All of the following are true of antigen-presenting cells (APCS) EXCEPT: APCs process antigens from phagocytized microbes and present them to lymphocytes They include macrophages and dendritic cells They play a key role in eliciting (triggering) specific immune responses APCS by themselves can remember prior exposure to specific microbial antigens and respond specifically to them They interact directly with lymphocytes
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter42: The Immune System
Section: Chapter Questions
Problem 1VCQ: Figure 42.11 Which of the following statements about T cells is false? Helper T cells release...
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![All of the following are true of antigen-presenting cells (APCS) EXCEPT:
APCs process antigens from phagocytized microbes and present them
to lymphocytes
They include macrophages and dendritic cells
They play a key role in eliciting (triggering) specific immune responses
APCS by themselves can remember prior exposure to specific microbial
antigens and respond specifically to them
They interact directly with lymphocytes](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8512e4d2-f559-44cb-9fee-36fee0c29e9a%2F86dd8c63-88e0-493f-adfa-5896efbfb681%2Fjw01z3p_processed.png&w=3840&q=75)
Transcribed Image Text:All of the following are true of antigen-presenting cells (APCS) EXCEPT:
APCs process antigens from phagocytized microbes and present them
to lymphocytes
They include macrophages and dendritic cells
They play a key role in eliciting (triggering) specific immune responses
APCS by themselves can remember prior exposure to specific microbial
antigens and respond specifically to them
They interact directly with lymphocytes
![The following events result in the destruction of a virus-infected body cell. Place them in
the correct order and indicate which one would happen third.
(Note: The third in sequence of the five answers listed, not necessarily the step that was
numbered "3" in the textbook diagram)
O Cytotoxic T Cell (TC) releases perforin
Cytotoxic T Cell (TC) binds to infected cell
Infected cell lyses
Infected cell displays virus-directed antigens on its surface
O Perforin damages infected cell membrane](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8512e4d2-f559-44cb-9fee-36fee0c29e9a%2F86dd8c63-88e0-493f-adfa-5896efbfb681%2Fp2qidi_processed.png&w=3840&q=75)
Transcribed Image Text:The following events result in the destruction of a virus-infected body cell. Place them in
the correct order and indicate which one would happen third.
(Note: The third in sequence of the five answers listed, not necessarily the step that was
numbered "3" in the textbook diagram)
O Cytotoxic T Cell (TC) releases perforin
Cytotoxic T Cell (TC) binds to infected cell
Infected cell lyses
Infected cell displays virus-directed antigens on its surface
O Perforin damages infected cell membrane
Expert Solution
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Step 1
Introduction :-
Antigen-presenting cells (APCs) are immune cells that play a crucial role in triggering and coordinating specific immune responses. They include macrophages, dendritic cells, and B cells. APCs process antigens from phagocytized microbes and present them to lymphocytes, which can then be activated to produce specific antibodies or target infected cells
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