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when a plant cell loses water and the cell membrane pulls away from cell wall.
outgrowths that transmit nerve impulses away from the cell body of a neuron.
a foreign substance, usually a protein, that stimulates the production of one or more antibodies...
an endocrine gland attached to the base of the hypothalamus, which secretes hormones that play a...
an allergic reaction that triggers the immune system causing constriction and inflammation of...