50. is a figure representing the theory of the movement of thin and thick muscle filaments “sliding-filament” during a muscle contraction. In steps 1-4, describe the interaction between actin and myosin that leads to actin Be sure to mention the during this process. (4 marks) movement. role of ATP 51. Considering complement, what is the MAC and how does it kill bacteria? (1 mark) 52. Vaccination can be an effective tool for preventing disease. Describe the basis for this protection mentioning the relevance of primary and secondary exposure. Please limit your answer to B lymphocytes. (3 marks) 53. What causes fever during a systemic inflammatory response? (1 mark) 54. two ways antibody-antigen complexes inactivate the effects of the antigen. (2 mark) List 55. Give a detailed description of how would occur between a and a antigen presentation B lymphocyte helper T Your answer should include any important cell signaling molecules that are involved in this lymphocyte. interaction, plus the general outcome of the interaction (i.e. what will the B and T lymphocytes do next?). (6 marks)
50. is a figure representing the “sliding-filament” theory of the movement of thin and thick muscle filaments during a muscle contraction. In steps 1-4, describe the interaction between actin and myosin that leads to actin movement. Be sure to mention the role of ATP during this process. (4 marks) 51. Considering complement, what is the MAC and how does it kill bacteria? (1 mark) 52. Vaccination can be an effective tool for preventing disease. Describe the basis for this protection mentioning the relevance of primary and secondary exposure. Please limit your answer to B lymphocytes. (3 marks) 53. What causes fever during a systemic inflammatory response? (1 mark) 54. List two ways antibody-antigen complexes inactivate the effects of the antigen. (2 mark) 55. Give a detailed description of how antigen presentation would occur between a B lymphocyte and a helper T lymphocyte. Your answer should include any important cell signaling molecules that are involved in this interaction, plus the general outcome of the interaction (i.e. what will the B and T lymphocytes do next?). (6 marks)
Zoology_242_Final_17.docx