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Answer
• Proteins which combine with antigens
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• What are antibodies?
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• Number of chains in an antibody
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• What is four?
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• Process by which antibodies coat a bacterium, enhancing macrophage attachment
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• What is opsonization?
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• T-cells attachment to a macrophage is enhanced by this surface protein
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• What is CD4 (or a T-cell receptor)?
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• Infected cell attachment to a cytotoxic T-cell is enhanced by this surface protein
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• What is CD8 (or a T-cell receptor)?
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• Damage to tissue by a physical injury or by the entry of microorganisms triggers this reaction
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• What is an inflammatory response?
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• B-cells differentiate into these cells which secrete antibodies
Daily DoubleQuestion
• What are plasma cells?
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• This molecule collects peptide remnants and brings them to the cell surface
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• What are MHC molecules?
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• Cells which non-specifically attack virus-infected cells
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• What are Natural Killer cells?
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• Long-lived cells which bear receptors for specific antigens
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• What are memory T-cells?
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• It is difficult to discover a vaccine for the AIDS virus because it _________ rapidly
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• What is mutates?
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• Solution which results in passive immunity acquired by artificial means
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• What is a serum?
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• Solution which results in active immunity acquired by artificial means
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• What is a vaccine?
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• By making different combinations of these genetic coding areas, over 1,000,000 antibodies can be produced
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• What are exons?
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• Branch of the Immune System which produces Cytotoxic T-cells
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• What is cell-mediated?
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• Protein released by Cytotoxic T-cells to help burst infected cells
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• What is perforin?
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• Cytokine secreted by macrophages to activate T-cells
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• What is interleukin-1?
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• Cells which release histamines
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• What are mast cells?
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• Secreted by virus-infected cells to help to protect other cells
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• What is interferon?
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• Proteins which carry out a cascade of steps leading to the lysis of microbes
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• What are complement proteins?
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• Caused by sexually transmitted virus which attacks the immune system
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• What is AIDS?
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• Viral infection found chiefly in Africa, results in quick death
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• What is ebola?
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• Causes lockjaw
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• What is tetanus?
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• Disease caused by anaerobic bacterium which thrives because of improper canning methods
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• What is botulism?
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• HIV chiefly destroys these cells
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• What are T-cells?