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What event marks the birth of a new star?
Radicle
The first part of a seedling to emerge during the germination process, which develops into the primary root.
Phototropism
Directional response to light.
Auxin
Plant hormone that causes cell enlargement; also has a central role in growth and development by coordinating the effects of other hormones.
Hormone
Chemical messengers produced by glands in the body, transported in the bloodstream to target organs or tissues, influencing various physiological processes.
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