Which of the following is true for gene regulation in both bacteria and eukaryotes? Selected answer will be automatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a b с d Transcription is regulated by trans-acting proteins binding to cis-acting DNA sequences. Genes are often organized into operons, with one mRNA containing coding sequences for several proteins. Nucleosome structure and histone modifications affect the ability of transcription factors to bind to promoter and enhancer sequences. Many genes need to be activated only in specific tissues and developmental stages.

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