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(i) Briefly describe the HIV mode of action and within this framework indicate the three main protein targets of the "highly active antiretroviral therapy" (HAART) combination therapy against HIV. [10 marks] (ii) The development of the HAART therapy in the mid ' 90 s was crucial in reducing the morbidity and mortality associated with HIV-1 infection and AIDS. Aside from the understanding of the HIV-1 replication cycle, what information helped the design of target specific drugs and how can you describe this type of drug design process? [3 marks]