These cells capture and process antigen during infections, then display antigen to activate other cells.  Group of answer choices B-cells T-cells Antibodies Antigen presenting cells Cytokines

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is another term for antibodies interferon complement immunoglobins interleukin

_____________12. These are proteins which are released by the natural killer cells through vesicles and disgorges the content, thereby forming a pore. _____________13. These are any substance that elicits immune response. _____________14. This antibody functions mainly as an antigen receptor on B cells that have not been exposed to antigens. _____________15. This is the only antibody capable of crossing the placenta to give passive immunity to fetus. _____________16. These are type of cytokine that play essential roles in the activation and differentiation of immune cells, as well as proliferation, maturation, migration, and adhesion. _____________17. Bind peptides fragments derived from pathogens and display them on the cell surface for recognition by the appropriate T cells. _____________18. The whole cluster of the MHC genes. _____________19. The mechanism wherein antibodies prevent a toxic protein from binding their target. _____________20. A pathogen tagged by antibodies is…

Need help Antibodies are an integral part of the humoral immune system. Give an account of antibodies, include in your answer the different antibody classes and immunoglobulin landmarks.  Include diagrams in your answer.

Because they sometimes cross-react with antigens other than those being tested for, polyclonal antibodies lack   1. reactivity 2. sensitivity 3. specificity 4. antigenicity

Place the stages of adaptive immunity in order from first to last. I. Antigen elimination and memory II. Lymphocyte activation III. Antigen presentation IV. Lymphocyte proliferation and differentiation

secondary immune response initial secondary exposure exposure primary immune response Time 2. Which response should be caused by vaccination? Concentration of antibody

1. Under what circumstances is having a fever beneficial? Under what is having a fever circumstances harmful? 2. What are the actions of T cells? What are the actions of B cells?

Which T-lymphocytes activate the B-cell response? 1- suppressor T-cells. 2- cytotoxic T-cells. 3- helper T-cells. 4- memory T-cells.