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Diplomonadida

Jared Morris. Giardia (left). Diplomonadida. Life Cycle: Oral uptake of cysts after fecal contamination of food. Trophozoites exist in small intestine and may divide by binary fission Trophozoites are attached to the surface of intestinal villi; pinocytosis occurs at their dorsal side

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Diplomonadida

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  1. Jared Morris Giardia (left) Diplomonadida • Life Cycle: • Oral uptake of cysts after fecal contamination of food. • Trophozoites exist in small intestine and may divide by binary fission • Trophozoites are attached to the surface of intestinal villi; pinocytosis occurs at their dorsal side • Free trophozoites encyst in the intestine and are passed in feces. • Interesting facts: • Lacks a mitochondria but they have genes that once coded for the synthesis of mitochondria. • Giardia is a believed to be one of the first eukaryotes • Giardia lamblia causes giardiasis, a rather nasty infection of the small intestine. Key Features: Group of Flagellates and are usually parasitic Usually have two nuclei Lack both Mitochondria and Golgi Apparatus Giardiasis

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