海洋可分為Photic Zone(透光帶)及Aphotic Zone(無光帶)兩大區域。606Please respect copyright.PENANAIUsBUpoQPs606Please respect copyright.PENANArFrllVa3Fz
606Please respect copyright.PENANAetAmbk85Kk
透光帶泛指陽光能滲進的領域,生物可有效進行光合作用。606Please respect copyright.PENANAuJwUOgLozu
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。606Please respect copyright.PENANABwq8r6tHGD
606Please respect copyright.PENANApEkP8jEnpu
606Please respect copyright.PENANAu8s1JgptHz
(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。606Please respect copyright.PENANAfNbArXfdEG606Please respect copyright.PENANA8sJkz0m44I
606Please respect copyright.PENANA4wGyCuMeel
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。606Please respect copyright.PENANAtwws3NJGJr
606Please respect copyright.PENANAvyYvFXssZV
606Please respect copyright.PENANA5o5tEHClDn
(圖3)圖中為建構各氨基酸所需的碳及氮元素示意圖。606Please respect copyright.PENANAgocpqouwcq606Please respect copyright.PENANAyY3I3WSi1D
606Please respect copyright.PENANAmSEkFlHXBE
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。606Please respect copyright.PENANAaHJWbB1CI1
606Please respect copyright.PENANAL5ooLZJ8Ug
情況反之亦然出現在無光帶的生裡頭。606Please respect copyright.PENANA24RpuPZQXG
606Please respect copyright.PENANAa9Jqw8U1RT
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。606Please respect copyright.PENANAvD8v239XUa
606Please respect copyright.PENANAUgWF1RrQyj
606Please respect copyright.PENANA5ti39vqy36
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。606Please respect copyright.PENANAOSSPEgmVSa
606Please respect copyright.PENANALUcUUJtWiH
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/toc606Please respect copyright.PENANAEBm2GwRYDj
606Please respect copyright.PENANAP5P2XZbGjb
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。606Please respect copyright.PENANAWLPCx9V8s7
606Please respect copyright.PENANAEEYMF1gDuS
Link:606Please respect copyright.PENANA7oT7IlyGjW
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio606Please respect copyright.PENANAUT1c4tZYUF
606Please respect copyright.PENANAu0n5zQcdKe
606Please respect copyright.PENANAqThUb89fug
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。606Please respect copyright.PENANAnNbThPym4p
606Please respect copyright.PENANA8KQqsa6PBr
https://www.instagram.com/potatopigtongue/606Please respect copyright.PENANAGyT31u0hFf
606Please respect copyright.PENANAnfpE5TqQUh
606Please respect copyright.PENANASOBcPW7dJd
606Please respect copyright.PENANAjdEraJsfZe
Ref1:https://science.sciencemag.org/content/370/6517/683606Please respect copyright.PENANApm9tkxFKIP
Ref2:https://science.sciencemag.org/content/370/6517/655
00
ns216.73.216.238da2