阿摩線上測驗
登入
阿摩線上測驗
登入
試卷名稱：114年 - [無官方正解]114 國立清華大學_碩士班入學考試試題_生命科學暨醫學院甲組(生物與醫學科學組)：分子生物學#132699
年份：114年
科目：研究所、轉學考(插大)◆分子生物學
21. Which of the following statements about chromatin structure is correct?
(A) Euchromatin is associated with active gene transcription and is less condensed compared to heterochromatin.
(B) Heterochromatin is enriched with histone H3 lysine 4 methylation (H3K4me3), promoting transcriptional repression.
(C) The nucleosome is composed of DNA wrapped around a complex of six histone proteins.
(D) Chromatin structure is static and does not change in response to environmental or cellular signals.
(E) Histone modifications, such as methylation and acetylation, do not influence chromatin accessibility or transcriptional activity.
