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a thin hairlike outgrowth of an epidermal cell of a plant root that increases the surface area of the root in order to facilitate the absorption of water and minerals from the soil.
a hormone produced by the pituitary gland, which helps to limit the amount of water lost from...
barrier made of coral (a living organism consisting of animal and algal tissues) that lies in...
(adenosine triphosphate), a compound used by cells for energy storage.
convolutions of the inner membrane of mitochondria.