Blood serum isoenzyme analysis can be used to

S. Why did you prepare a human serum plate? a. to see how closely related we are to ourselves b. to serve as a control for the experiment c. to test for human DNA Yes 6. Was agglutination caused by an antigen-antibody reaction? No Serum Antiserum 7. Which substance contained the antibody? Serum Antiserum 8. Which substance contained the antigen? Human Rabbit 9. The antiserum was produced by a:

Cancer cells have a complex interaction with the cells of the immune system that are present in the stroma. The immune cells have the potential to destroy the tumor if it is recognized as aberrant tissue. Which one of the following statements correctly describes an interaction between cancer cells and the immune cells of the stroma? A.  Tumors stimulate formation of new blood vessels—angiogenesis—promoting tumor survival. B.  The tumor establishes an immunosuppressive environment by blocking white-cell activation. C.  Tumors invoke an inflammatory reaction that blocks entry of immune cells into the stroma. D.  Immune cells block tumor growth by providing signals that inhibit cancer cell proliferation.

3) (Given the answer to 2) Therefore, Hematopoietic stem cell transplantation can treat: (Choose all that apply) SCID Leukemia Sickle Cell Anemia а. b. C. d. None of the above.

Which of the following components can be used in an ELISA? I. Polyclonal antibodies II. Monoclonal antibodies III. Protein A immobilized on agarose beads Select one: A. II and III only B. I only C. Il only D. I, II and III E. I and II only O O O O O

Which of the following statements about our defenses to protect DNA are correct (select all that apply)? A. Genetic differences in GST enzymes may affect risk of cancer B. Reactive Oxygens species that damage DNA are removed by catalase C. On average, humans are exposed to more naturally occurring plant pesticides compared to man made pesticides. D. Cancer cells upregulate concentration of Glutathione S-Transferase (GST) to remove electrophilic compounds E. High levels of melanin are correlated with increased risk of skin cancer