阿摩線上測驗
4. What is the role of DNA methylation in eukaryotes?
(A) To aid in silencing transcription.
(B) To protect the DNA from restriction endonucleases.
(C) To prevent nucleosome formation on that region of DNA.
(D) DNA methylation does not occur in eukaryotes, only histones are methylated.
(E) To distinguish the active X chromosome from the inactive X chromosome in counting.
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統計： A(52), B(4), C(4), D(3), E(12) #3101665
統計： A(52), B(4), C(4), D(3), E(12) #3101665
詳解 (共 2 筆)
NAlexE
#6065102
4. What is the role of DNA methylation in eukaryotes?
(A) To aid in silencing transcription. DNA methylation可提供長期的壓制
Histone的Methylation 可以把它捲成 Heterochromatin
Histone的Methylation 可以把它捲成 Heterochromatin
(B) To protect the DNA from restriction endonucleases. Only in Prokaryote
(C) To prevent nucleosome formation on that region of DNA.
(D) DNA methylation does not occur in eukaryotes, only histones are methylated.
(E) To distinguish the active X chromosome from the inactive X chromosome in counting.
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