A Medical Laboratory Isolates an Intestinal Parasite Responsible for a Local

A medical laboratory isolates an intestinal parasite responsible for a local epidemic of severe dysentery. The organism is unicellular with a pair of nuclei and multiple flagella. You would expect that this organism would also have

A) a ventral sucker to allow attachment to the wall of the host's digestive system.
B) a conical arrangement of microtubules and secretory structures to enable forced penetration of the cells lining the host's intestine.
C) mitochondria with specialised biochemical pathways for respiration in the anaerobic conditions within the digestive system of the host.
D) an axostyle of microtubules running along the membrane.
E) All of the answers are correct.

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