問題詳情
27. Where would one expect to find the most abundant/active telomerase?
(A)Male germ cells that give rise to gametes.
(B) A nerve cell from a 2-year-old individual.
(C) A nerve cell from a 40-year-old individual.
(D)Skin cells from a 2-year-old individual.
(E)Skin cells from a 60-year-old individual.
參考答案
答案:A
難度:計算中-1
書單:沒有書單,新增
用户評論
【桾】評論
一般正常細胞沒有端粒酶,所以端粒會一直變短,分裂數十次後細胞會死亡端粒酶是一種由蛋白質&RNA所組成的反轉錄酶,生殖細胞&癌細胞富含端粒酶,細胞可以不斷分裂