Q. Adaptive immune responses are more specific that innate immune responses.

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Q. Humoral immunity is mediated by ______________

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Q. B and T lymphocytes arise from _____________

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Q. A rare disease congenital agammaglobulinemia is caused due to abnormality in __________________

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Q. According to the “instructive model” the antigen instructs lymphocytes to produce antibodies.

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Q. Who proposed the clonal selection theory?

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Q. B-cells arise from ______________________

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Q. Antigens that do not require the involvement of T-cells for the activation of B-cells are _____________________

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Q. Some of the activated B-cells lead to the formation of short-lived ______________________

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Q. Plasma cells possess extensive smooth endoplasmic reticulum.

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Q. B-lymphocytes that do not differentiate into plasma cells are called _______________________

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Q. In case of acquired immune system, a secondary immune response is generated by the ______________

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Q. For the body to develop immunologic tolerance, production of ____________________ must be prevented.

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Q. Who discovered the vaccination against smallpox?

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Q. A harmless version of tetanus toxin is called _________________

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Q. Which of the following serves as antigen receptors?

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Q. The heavy and light chains of the antibodies are linked to one another by ____________________

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Q. Which is the first antibody secreted by B cells following stimulation by an antigen?

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Q. Which antibody is produced at high levels in response to parasitic functions?

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Q. T-cells are activated by _______________

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