<span> Amoebic dysentery is caused by the amoeba Entamoeba histolytica. This protozoan exists in nature in the cyst form and is transmitted by contaminated food and water. In patients, the amoebas revert to trophozoites and invade the intestinal lining.
Your answer is C.
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Answer:
one end has a free phosphate group on the 5' carbon; the other end has a free hydroxyl group bonded to the 3' carbon.
Classification helps us understand evolutionary ties between organisms.
Answer:
The biosphere is a layer of the Earth where all life exists.
Explanation:
