海洋可分為Photic Zone(透光帶)及Aphotic Zone(無光帶)兩大區域。523Please respect copyright.PENANAgbh2UvxeE4523Please respect copyright.PENANAa8CeeptUwi
523Please respect copyright.PENANAnIAZ2ze7ib
透光帶泛指陽光能滲進的領域,生物可有效進行光合作用。523Please respect copyright.PENANA4OcH2z8e3G
而無光帶如字面所示,為陽光無法抵達的領域,光合作用難以進行。523Please respect copyright.PENANAe7eNBmHogp
523Please respect copyright.PENANAd1jDJViHI7
523Please respect copyright.PENANA3U7qvTeUTu
(圖2)透光帶的生物能夠進行光合作用的關係,二氧化碳能有效轉化成為碳水化合物,使透光帶成為豐富碳物質的環境。523Please respect copyright.PENANAxHj7n5W9KL523Please respect copyright.PENANAD9p0cKVgXW
523Please respect copyright.PENANAJhhIpmrRCR
而基於死去的生物會沉積海底關係,深水領域無光帶的細菌會將生物的蛋白質消化成為氮化物,使無光帶成為豐富氮物質的環境。523Please respect copyright.PENANAAIDtgGKF1U
523Please respect copyright.PENANAXt7xQFMX1k
523Please respect copyright.PENANAJIsC9qF4Bd
(圖3)圖中為建構各氨基酸所需的碳及氮元素示意圖。523Please respect copyright.PENANAC1R5jJ5o5q523Please respect copyright.PENANAbtHUD0XGNf
523Please respect copyright.PENANAsxwzumP4eA
有趣的是,位於多碳少氮透光帶的生物,基因排序會導致傾向製造碳需求較高的氨基酸,而非氮元素較高的氨基酸。523Please respect copyright.PENANAGS7GIlAIet
523Please respect copyright.PENANAzlfGCfUtxB
情況反之亦然出現在無光帶的生裡頭。523Please respect copyright.PENANAskdlJdjkYT
523Please respect copyright.PENANAMZUg0g2XWr
這不禁引伸出一道疑問,在生物演化的過程中,外來環境所提供的營養是否會對基因排序的轉變上扮演著一定的角色。523Please respect copyright.PENANAed2L36lpoQ
523Please respect copyright.PENANAlDonEzJgD0
523Please respect copyright.PENANABg34zBtP5G
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。523Please respect copyright.PENANAKfJKt2mVms
523Please respect copyright.PENANAjwIPY6YCDX
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc523Please respect copyright.PENANAFN7NH4QEjZ
523Please respect copyright.PENANAbN3VCAJ8Rl
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。523Please respect copyright.PENANAP3Uv4bnySp
523Please respect copyright.PENANAKeiSr0lYgl
Link:523Please respect copyright.PENANAGQck99S3KF
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio523Please respect copyright.PENANAsDUI3Chazm
523Please respect copyright.PENANA0jwAdwNORW
523Please respect copyright.PENANAGC5juzpIGj
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。523Please respect copyright.PENANAtBRSqbJ8KV
523Please respect copyright.PENANAN6z6KWbFZi
https://www.instagram.com/potatopigtongue/523Please respect copyright.PENANAyjIK9aIH6f
523Please respect copyright.PENANAr6MbWvgF9B
523Please respect copyright.PENANA9ynPn2kJrJ
523Please respect copyright.PENANA7VC0OjbSUR
Ref1:https://science.sciencemag.org/content/370/6517/683523Please respect copyright.PENANAFJ4GyOwJ7f
Ref2:https://science.sciencemag.org/content/370/6517/655
00
ns18.222.166.40da2