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a cell that contains a single complete set of chromosomes.
an organelle that occurs in the cytoplasm of both plant and animal cells. It is made from stacks...
the membrane surrounding the vacuole. It is similar in structure and function to the cell...
(also called elimination or defecation) the process whereby undigested food remains are expelled...
is the gaining of a plant's ability to flower or germinate in the spring after exposure to the...
the process of removing salt and other minerals from seawater, to make it drinkable.