EPISODE · Jun 20, 2025 · 9 MIN
2025 biology talkshow : 陽光下的分子錯誤胸腺嘧啶二聚體T-T dimer
from 雷比特生物空中講 · host 雷比特老師
透過生動的比喻，解釋胸腺嘧啶二聚體（thymine dimer）這種分子錯誤的形成與影響。將DNA比喻為鐵道，說明紫外線（UV輻射）如何導致相鄰的胸腺嘧啶結合，形成扭曲結構，阻礙正常的DNA功能。詳述人體內核苷酸切除修復系統（NER）如何像搶修隊般偵測並修復這些損害，並指出若此系統失靈可能導致癌症。最後強調胸腺嘧啶二聚體在生物醫學研究中的重要性，及其未來在疾病診斷與治療上的潛力。 聽完後可以自己進行線上測驗，檢視學習成效喔~(需要登入gemini) 測驗網址 https://g.co/gemini/share/1ca07366677c Powered by Firstory Hosting
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2025 biology talkshow : 陽光下的分子錯誤胸腺嘧啶二聚體T-T dimer
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