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Question 5 1 pts Which one of the following statements regarding an effective concentration of noradrenaline reuptake inhibitor in a sympathetic neuroeffector junction is correct? O The effect of an indirectly acting sympathomimetic is likely to be unchanged. O The effect of an indirectly acting sympathomimetic is likely to be inhibited. The effect of endogenous noradrenaline is likely to be inhibited. O The effect of a directly acting sympathomimetic is likely to be inhibited. Question 6 1 pts Which of the following statements about natural product drug discovery is correct? O The extraction of natural products from organisms is a simple process. O Natural products are structurally complex which can complicate natural product synthesis. O Due to the structural diversity of natural products, they are poor sources of new bioactive compounds.