Question

How are sickle-cell anemia and related? Why? a. _____ developed the system of classification and taxonomy that we still use today. b. A sugar molecule, a phosphate unit, and one of four nitrogenous bases make up a ____.

Answer 1

sickle cell disease is a common hereditary hemoglobinopathy caused by point mutation in beta globin. in patients with sickle cell disease there is protection from falciparum malaria afforded by Hbs . in Hbs affcted red blood cells these metabolically active parasite consume oxygen and decrease intracellular p^H, both of which promote hemoglobin sickling in AS red cells. this may not give chance to survive the parasite thereby protects development of malaria. another is decreasing the adherence of infected cells, possibly by raised levels of oxidant stress and causing membrane damage in the parasite bearing cells.

5 a) linnaeus

5 b) double helix is answer