Biotechnology & You - Writing Assignment

This graph is illustrating the principle that: Secondary response (d) Primary Response anitbody concentration required for immunity (a) (b) (c) Time after infection 10 20 30 40 20 + Second Infection 10 30 40 in days First Infection delay your body can respond with more antibodies faster the second time it sees an antigen O all of the other answers O antibiotics won't work for viruses vaccines will not work for viruses the second infection is always much worse than the first infection Antibody concentration in blood

All of the following general properties describe the adaptive immune response except? Self-tolerance Memory O Specificity O Immediate « Previous

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Approximately 70% of immune system cells are located inthe wall of the lower digestive tract (intestines). Can you suggest a reason for this phenomenon?

that causes the rapid reproduction of a specific ( Select] [ Select ] Antigenic cell B cell I cell Macrophage Eosinophil Vaccines work by stimulating a(n) [Select ] that produces an antibody that is specific for the antigen in the vaccine. This creates a pool of memory cells that will be available if the person is ever infect nicrobe.

The inflammatory response is an important innate immune system response. Which of the following is not directly involved in an inflammatory response? O Dilation of blood vessels Tissue repair O Migration of phagocytes O Antibody formation Question 2 MacBook Air F10 F11 F8 esc F3 # 2$ % & * @ del 2 3 4 5 6 7 8 T O P Q W E R K