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Which is considered as the intermediate host and the definitive host in the life cycle of malarial
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- How do parasites affect the spread of malaria?What is the genus of the causative agent of malaria? In what group does it belong?Plasmodium is the most deadly parasite globally. There are nearly 250 million new cases of malaria diagnosed each year. Discuss at least two mechanisms that this parasite uses within its host(s) to persist, manipulate, and/or propogate.
- Explain what it means to be an obligate intracellular parasite.Name three groups of obligate intracellular parasites.Describe the symbiosis between the Riftia tubeworm and its bacterial symbiont. What is the role of the Riftia tube worm hemoglobin in the success of its relationship with the symbiotic bacteria?Describe how self infection and reinfestation occur in a child with a persistent pinworm infection
- Why would a parasite develop a life cycle involving an intermediate hosts? What is this giving the parasite? Provide example(s)Describe the malaria is and where it is prevalent- in what areas of the globe and in what habitats?( find the source that support the information)One of the most characteristic symptoms of malaria is the alternation of attacks (involving a cold phase, a hot phase, and a sweating phase) with periods of 1 or 2 days of no or few fevers. Given the life cycle of Plasmodium what is the best explanation for this pattern: When free in the blood, merozoites release chemicals that directly cause body responses. Merozoites appear in coordinated “waves”, which explains the cycling attacks Merozoites entering the red blood cells generate a strong response from the red blood cells, which stimulates a massive immune response Attack phase correlates with simultaneous bursting of infected red blood cells, releasing thousands or millions of merozoites. This triggers massive immune response, resulting in symptoms Plasmodium generates a constant accumulation of irritants in the blood, mostly residues from digesting hemoglobin . Once the amount reaches a critical level, these trigger a massive immune response