Page 02 SECTION 1 — 25 marks Attempt ALL questions 1. An experiment was set up to measure the activity of an enzyme using a substrate that produced a coloured product. The absorbance of the coloured product was measured using a colorimeter. Which row in the table describes the variable being measured? discrete continuous qualitative quantitative A B C D 2. The diagram below shows the cell types used in the production of monoclonal antibodies. Cell type 1: Cells isolated from animal treated with antigen Cell type 2: Cancerous cell line Fusion of cell types 1 and 2 using PEG Growth of cells in selective medium Cell type 3: Cells producing monoclonal antibodies Which row in the table identifies cell types 1, 2 and 3? Cell type 1 Cell type 2 Cell type 3 A B lymphocyte myeloma hybridoma B myeloma hybridoma B lymphocyte C hybridoma myeloma B lymphocyte D myeloma B lymphocyte hybridoma