The malarial parasite, Plasmodium, infects red blood cells and breaks down haemoglobin. Free haem groups are toxic to Plasmodium and the parasite converts them into non-toxic, crystalline haematozoin, using an enzyme, HDP, which is found in all species of Plasmodium.
What will be the long term result of giving patients with malaria a drug which inhibits HDP?
1 )
a decreased concentration of free haem groups in infected red blood cells
2 )
a decreased concentration of haemoglobin in infected red blood cells
3 )
more rapid reproduction of some species of Plasmodium in infected red blood cells
slower reproduction of all species of Plasmodium in infected red blood cells
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