OVERVIEW OF THE IMMUNE SYSTEM
LYMPHATIC TISSUES AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How does our immune system gain acquired immunity?
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T-cells always attack viruses
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Antibodies are made to recognize antigens on pathogens
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Antigens are made to recognize antibodies on pathogens
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Our body remembers the pathogens
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Explanation:
Detailed explanation-1: -Immune cells called T and B cells recognize there’s an “invader” pathogen and activate the immune system to fight it. The next time the T and B immune cells encounter that specific germ, they’ll recognize it and immediately activate the rest of your immune system to prevent you from getting sick.
Detailed explanation-2: -Antigen recognition by B cells involves direct binding of immunoglobulin to the intact antigen and, as discussed in Section 3-8, antibodies typically bind to the surface of protein antigens, contacting amino acids that are discontinuous in the primary structure but are brought together in the folded protein.
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