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。238Please respect copyright.PENANAo0lPC0g972
238Please respect copyright.PENANADASbi5VqAH
238Please respect copyright.PENANAuSGFDWUB5m
而這些染色體、亦即是DNA,將會收藏在細胞裡的細胞核。238Please respect copyright.PENANAi0ThZnIu1b
238Please respect copyright.PENANAwcQEP5cfFo
238Please respect copyright.PENANA8GAOeVADCa
(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。238Please respect copyright.PENANA8erToWhPk9
238Please respect copyright.PENANAQRt75A3JAB
238Please respect copyright.PENANAwNv0H15YcA
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。238Please respect copyright.PENANAA5ICtaJNbP
238Please respect copyright.PENANA9MgXJx0erN
238Please respect copyright.PENANAFf1ZQtnxv1
(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)。238Please respect copyright.PENANA11akQNmthN
238Please respect copyright.PENANAJcC3rFjUhy
238Please respect copyright.PENANAa2O0O9afpW
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。238Please respect copyright.PENANAmo9qotrN1R
238Please respect copyright.PENANALMK41yiUF8
238Please respect copyright.PENANAJnqLs9RpDC
(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。238Please respect copyright.PENANAiYdXheEmHs
238Please respect copyright.PENANAZ2Ug9zZ8kj
238Please respect copyright.PENANAMCIcfSflEl
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。238Please respect copyright.PENANAKxtNYVyxmU
238Please respect copyright.PENANAKTFGloWldE
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。238Please respect copyright.PENANAII8kIXA4cG
238Please respect copyright.PENANAyz1vnulnkt
238Please respect copyright.PENANALiS08zZU3M
238Please respect copyright.PENANAUjngloN5mo
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。238Please respect copyright.PENANA1FTir0rxEI
238Please respect copyright.PENANAfRtOWMTz10
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/toc238Please respect copyright.PENANAGDMgpyVuou
238Please respect copyright.PENANAhAa7imTPp1
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。238Please respect copyright.PENANAOzRrWPyspU
238Please respect copyright.PENANAKIDRMq0nWh
Link:238Please respect copyright.PENANAxzg7lPzEbp
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio238Please respect copyright.PENANAl9kRrultN8
238Please respect copyright.PENANAWwo2i4Zd2v
238Please respect copyright.PENANAqCfTVPrPtz
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。238Please respect copyright.PENANASqZ2YIoNO1
238Please respect copyright.PENANAvjH2m5tNi6
Ref1:https://www.nature.com/articles/s41586-021-03417-2238Please respect copyright.PENANAWXDi9TK5l6
arrow_back
科普專欄–薯不揀單
more_vert
-
info_outline Info
-
toc Table of Contents
-
share Share
-
format_color_text Display Settings
-
exposure_plus_1 Recommend
-
Sponsor
-
report_problem Report
-
account_circle Login
Search stories, writers or societies
Continue ReadingClear All
What Others Are ReadingRefresh
X
Never miss what's happening on Penana!
科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #200
三十秒科學–染色體自成一閣
LIKES 2
READS 234
BOOKMARKS 148
campaign
Request update 0
Sponsor
Login with Facebook
or Sign up/Login to comment or bookmark!
Click to load the next chapter
X
After each update request, the author will receive a notification!
smartphone100 → Request update
X
Sponsor again
Click to login
Login first to show your name as a sponsor.
Thank you for supporting the story! :)
Please Login first.
×
Write down what you like about the story
×
Reading Theme:
Font Size:
Line Spacing:
Paragraph Spacing:
Load the next issue automatically
Reset to default
×
People Who Like This