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Watch cress seeds absorb water to catalyze the metabolic activity involved in germination

Watch cress seeds absorb water to catalyze the metabolic activity involved in germination

Time-lapse photography of cress seeds germinating in water
Encyclopædia Britannica, Inc.
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Transcript

NARRATOR: When a seed is ready to germinate, it takes in water, and metabolic activity begins. Food stores, which consist mostly of starch, are mobilized by enzymes produced by the embryo.