我們身體細胞的DNA,會經過不同蛋白質的幫助下接疊以及壓縮,成為名為染色體(Chromosome)的結構。491Please respect copyright.PENANADsAnyaIRuU491Please respect copyright.PENANAjOPy0bYXNW
491Please respect copyright.PENANAl75YNkWvFo
而這些染色體、亦即是DNA,將會收藏在細胞裡的細胞核。491Please respect copyright.PENANAlJwxbH8wTx
491Please respect copyright.PENANAYIKITvAsfm
491Please respect copyright.PENANAF4iSTAgQ9L
(圖2)細胞進行自我複製時,將會複製自己的DNA,並會暫時性將細胞核的外膜消除。491Please respect copyright.PENANAbFf7cmZkMV491Please respect copyright.PENANAU5GV6rHTho
491Please respect copyright.PENANAqt1pM0VPQ5
被複製的DNA會排在中間,然後經由線狀結構(綠色)往左右兩方邁進。491Please respect copyright.PENANAmEVXth5pJv
491Please respect copyright.PENANAQNHk0lNb1U
491Please respect copyright.PENANAtJpuTH1Ebb
(圖3)往左右兩方邁進的染色體,有時候會出現跑得較為慢的染色體(圖中藍色箭嘴)。491Please respect copyright.PENANAbHHn1o3btK491Please respect copyright.PENANAHAFGliAwhz
491Please respect copyright.PENANASdy4abbJMT
落後於人的染色體,最終有機會無法加入正常大隊,並自立一閣形成名為micronucleus的結構。491Please respect copyright.PENANAzbIDjN82Am
491Please respect copyright.PENANAuM1y5KODLb
491Please respect copyright.PENANA4yCWO0MDJc
(圖4)這些名為micronucleus的結構,基於其外膜的發展並不完善,因此非常容易會出現損壞的情況。491Please respect copyright.PENANAibt48Dz53D491Please respect copyright.PENANA5bhp0LIX85
491Please respect copyright.PENANAaRAPU45AXW
當外膜受到損毀,裡頭的DNA有極大機會遭受襲擊,因此出現變異的情況。491Please respect copyright.PENANA4Ht3RFyQlT
491Please respect copyright.PENANA0hqC69E9VO
而這些變異的DNA,往往就是讓正常細胞發展成為癌細胞的契機。491Please respect copyright.PENANAnQCk6gl3CD
491Please respect copyright.PENANAYfXMWuuR4d
491Please respect copyright.PENANADpuI5PfuiI
491Please respect copyright.PENANA1qqSVQmNDO
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。491Please respect copyright.PENANAYObnNtYUD5
491Please respect copyright.PENANANBWyTmkeKz
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/toc491Please respect copyright.PENANAhFLLFZj2T0
491Please respect copyright.PENANAxs0MvxP2pl
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。491Please respect copyright.PENANA75ivG63Oc3
491Please respect copyright.PENANAP7AAdxWUWp
Link:491Please respect copyright.PENANAG0LKwWQWPo
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio491Please respect copyright.PENANAmblOuRJhnd
491Please respect copyright.PENANAYtcmertb18
491Please respect copyright.PENANA6y7eZpvV4l
除非Facebook及IG重開侵侵的account,否則我的IG將不會再作更新,只會寄居本土LIHKG及Penana。491Please respect copyright.PENANAkKCJ5qiJ9P
491Please respect copyright.PENANAFnuY5W3Sxt
Ref1:https://www.nature.com/articles/s41586-021-03417-2491Please respect copyright.PENANA5M9nsszIue