EPISODE · Apr 16, 2026 · 13 MIN
2026 bilogy talkshow:離層酸-植物的逆境生存哲學 (選修生物II)
from 雷比特生物空中講 · host 雷比特老師
深入探討被譽為植物抗逆境賀爾蒙的離層酸 (ABA)，澄清其長期以來被誤認為導致落葉與落果的科學誤解。將植物生長比喻為車輛行駛，指出 ABA 扮演著關鍵的煞車系統角色，與促進生長的吉貝素產生拮抗作用，藉此調控種子休眠並在缺水時迅速關閉氣孔。在分子層面上，ABA 透過精妙的負負得正機制解除蛋白質抑制，啟動植物內部的防禦警報系統。最終，這項生理機制的研究成果已轉化為農業生物技術，科學家研發出人工促效劑作為「抗旱疫苗」，協助農作物在極端氣候下維持生存。 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/f7186d6e9e4c Powered by Firstory Hosting
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2026 bilogy talkshow:離層酸-植物的逆境生存哲學 (選修生物II)
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