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is the gaining of a plant's ability to flower or germinate in the spring after exposure to the cold of winter.
organelles in which cellular respiration takes place to produce ATP to supply cells with energy...
the process whereby a particular change causes a response which reverses that change.
an organelle that occurs in the cytoplasm of both plant and animal cells. It is made from stacks...
small groups of cells found in the pancreas that secrete the hormones insulin and glucagon.