2025 biology talkshow : central dogma of molecular biology (4)-基因表達的編輯工藝-RNA修飾與剪接 (選修生物I)

詳細解釋真核生物從基因轉錄到成熟信使 RNA (mRNA) 的複雜過程。首先區分真核生物與原核生物在 RNA 加工上的差異，強調真核生物需要進行一系列修飾才能使 RNA 發揮功能。接著闡述 RNA 的三大主要修飾：5' 端加帽、3' 端加 poly(A) 尾以及內含子剪接，並說明這些步驟對於 RNA 的穩定性、輸出以及蛋白質合成的 initiating 至關重要。最後，highlights 選擇性剪接機制，解釋它如何 enabling 單一基因 producing 多種蛋白質 variant，以及其在生物發育、細胞分化與疾病中的關鍵作用。 Powered by Firstory Hosting

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2025 biology talkshow : central dogma of molecular biology (4)-基因表達的編輯工藝-RNA修飾與剪接 (選修生物I)

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