Biologists can develop antibodies against nerve growth factor (i.e., molecules that inactivate nerve growth factor). What would happen if someone injected such antibodies into a developing nervous system?
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Biologists can develop antibodies against nerve growth factor (i.e., molecules that inactivate nerve growth factor). What would happen if someone injected such antibodies into a developing nervous system?
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- Which DOES NOT describe monoclonal antibodies? Group of answer choices a. Monoclonal antibodies are produced in test tubes by hybridoma cells b. Monoclonal antibodies are specific to multiple antigens c. These antibodies are used in diagnostic tests d. The antibody producing cells may come from a non-human sourceAntibodies are made from_____________ cells.. In a table give three differences between antigen and antibodies.
- Which statement best describes the difference between responses of effector B cells (plasma cells) and those of cytotoxic T cells? (A) B cells confer active immunity;cytotoxic T cells confer passive immunity. (B) B cells respond the first time a pathogen is present; cytotoxic T cells respond subsequent times. (C) B cells secrete antibodies against a pathogen; cytotoxic T cells kill pathogen-infected host cells. (D) B cells carry out the cell-mediated response; cytotoxic T cells carry out the humoral response.Table/Graph attached below. 1. Analyze the data provided and answer the following: a) Compare your body’s response to antigen “A” both times you were exposed. Describe at least two ways in which the body’s response is different. b) Why might your body’s second response to “antigen A” have been so different? What changes may have occurred to your immune system?Which characteristic is associated with passive artificial immunity?a. long-term protection duration b. requires several days to develop protection c. immediate protection d. creation of memory in response to antigen exposure
- Using what you know about viruses and the immune and lymphatic systems, construct a scientific explanation to describe how a vaccine works to provide immunity to the human body.. Which does NOT describe humoral immunity? Group of answer choices a. Antibodies are secreted by T-helper cells b. Humoral immunity is effective against circulating toxins c. Some B cells become memory cells d. cytotoxic t cells can make antibodiesa. Explain why most immune reactions result in a polyclonalcollection of antibodies.b. How do monoclonal antibodies differ from this?c. Describe several applications of monoclonals in medicine.
- How do corticosteroids act to block inflammation? a. Blocking neutrophil migration b. Blocking mast cells degranulation c. Blocking macrophage activation d. Blocking the synthesis of arachidonic acidWhich is true of the innate immune response? a) Mucus can contain lysozyme and ampicillin b) Fe poisons potential pathogens c) Skin is dry and alkaline d) Fe limitation has a bacteriostatic effectGive typing answer with explanation and conclusion how is the development of autoimmunity normally prevented? a. T lymphocytes require a specific set of cytokine signals to become activated b. regulatory T cells suppress autoimmune responses c. clonal deletion of T cells and regulatory T cell suppression prevent auto reactive T cell activation d. clonal deletion of T cells, lack of necessary cytokine signals, and regulatory T cell suppression prevent activation of auto reactive T cells