Question

(a) State what happens in the human body when malarial parasites infected RBCs burst to release the parasites in the blood.
(b) Mention the specific sites in the host body where production of
(i) sporozoites and
(ii) gemetocytes take place in the life cycle of the malarial parasites.

Answer 1

HERE ARE YOUR ANSWERS!!!

a)The malaria parasite develops both in humans and in the female Anopheles mosquitoes. The size and genetic complexity of the parasite mean that each infection presents thousands of antigens (proteins) to the human immune system.In the bloodstream, the merozoites invade red blood cells (erythrocytes) and multiply again until the cells burst. Then they invade more erythrocytes. This cycle is repeated, causing fever each time parasites break free and invade blood cells.

b) i) liver cells in human host

  ii) When certain forms of blood stage parasites (gametocytes, which occur in male and female forms) are ingested during blood feeding by a female Anopheles mosquito, they mate in the gut of the mosquito and begin a cycle of growth and multiplication in the mosquito.

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