問題詳情
44. Which of the following statements is true about control mechanism in eukaryotic cells?
(A) Lampbrush chromosomes are areas of active tRNA synthesis.
(B) Methylation of DNA may cause inactivity in part or all of a chromosome.
(C) Histone acetylation may inhibit gene expression.
(D) Eukaryotic genes are organized in large operon systems.
(E) Active gene transcription occurs in the heterochromatic regions of the nucleus.
(A) Lampbrush chromosomes are areas of active tRNA synthesis.
(B) Methylation of DNA may cause inactivity in part or all of a chromosome.
(C) Histone acetylation may inhibit gene expression.
(D) Eukaryotic genes are organized in large operon systems.
(E) Active gene transcription occurs in the heterochromatic regions of the nucleus.
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