2026 biology talkshow: 植物生理的總指揮-生長素的百年奇幻漂流 (選修生物II)

詳盡地介紹植物荷爾蒙生長素（Auxin）的發現歷史、生理機制及其實際應用。回顧從達爾文到溫特等科學家如何透過實驗證實這種化學信號的存在，並解釋生長素如何透過酸性生長假說促使細胞伸長，進而達成向光性與向地性。涵蓋生長素在頂端優勢、果實發育及維管束分化中的核心作用，展現其身為植物「總指揮」的多重功能。也探討人工合成生長素在現代農業中的貢獻，如發根粉與組織培養，同時反思其作為除草劑在歷史上留下的負面影響。聽完後可以自主進行線上測驗，檢視學習成效喔~(需要登入gemini) 測驗網址  https://gemini.google.com/share/679726603bdf Powered by Firstory Hosting

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2026 biology talkshow: 植物生理的總指揮-生長素的百年奇幻漂流 (選修生物II)

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