QUESTION 1 (a) Describe briefly the roles of oils and fats in bioreactor culture media. (3 Marks) (b) Describe the physical, chemical and biological treatment approaches of bioreactor effluents. (9 Marks) (c) Describe TWO (2) classifications of bioreactor design. Provide ONE (1) example for each classification. (8 Marks) Assume enzyme-Enz, a protein drug, is being produced through fermentation using the following bioprocessing unit: Figure 1: Schematic diagram of a bioprocessing unit Based on the diagram shown above, answer the following questions- (a) Identify the upstream and downstream units. (b) Outline the process parameters for each of the equipment shown in figure 1. (a) Compare the bioreactors as shown in figure 2 based on their body construction. Figure 2: Bioreactors used for fermentation and cell cultures (8 Marks) (b). Identify the components of the bioreactor, shown in figure 3 , labeled by the numbers and discuss briefly the functions of the components. (10 Marks) (c) Explain why the bioreactor shown in figure 3 cannot be an airlift reactor. (2 Marks) Figure 3: 1 ypical structural diagram of a bioreactor