Elliott & Elliott: Biochemistry and Molecular Biology 4e Chapter 30 Instructions Choose your answer by clicking the radio button next to your choice and then press 'Submit' to get your score. Question 1 Which of the following is not true about antibody structure? a) Antibodies have multiple identical antigen binding sites. b) Antibodies are built from equal numbers of large (heavy) and small (light) peptide chains. c) Antibodies are always secreted and function away from the cell. They are not attached to the cell membrane. d) The class of the antibody molecule is determined solely by its heavy chain Question 2 Where do precursor T-lymphocytes develop into fully competent but not yet activated T-cells? a) The thymus gland b) The bone marrow c) The lymph nodes d) The spleen Question 3 Which of the following is not a feature of a secondary immune response to an antigen, when compared to the first response to the same antigen? a) The antibody is generated faster. b) More antibody is produced. c) The antibody produced has greater affinity for the antigen. d) Antibody is generated without T-cell help. Question 4 What is the normal immunological role of the CD8+ve T-cell a) Helps B-lymphocytes to develop into plasma cells. b) Kills virus infected cells. c) Secretes antibodies. d) Rejects transplanted tissue. Question 5 Cancer cells often have reduced amounts of cell surface proteins, including class I MHC antigens. Which of the following cells of the immune system can exploit this property to kill cancer cells? a) Cytotoxic T-cells b) Natural killer cells c) Helper T-cells d) Macrophages