問題詳情
65. Which of the following statements about histone acetylation is WRONG?
(A) Histone acetylation usually occurs within the tail region.
(B) Histone acetylation decreases the positive charge of histones.
(C) Histone acetylation reduces the histone-DNA affinity.
(D) Histone acetylation promotes the 30-nm fiber formation.
(E) Histone acetylation is usually associated with activation of gene expression.
(A) Histone acetylation usually occurs within the tail region.
(B) Histone acetylation decreases the positive charge of histones.
(C) Histone acetylation reduces the histone-DNA affinity.
(D) Histone acetylation promotes the 30-nm fiber formation.
(E) Histone acetylation is usually associated with activation of gene expression.
參考答案
答案:D
難度:困難0.352941
統計:A(1),B(3),C(3),D(6),E(2)
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