Why do transcriptional regulators act as dimers or heterodimers rather than monomers when binding to DNA and regulating genes? O A. The dimer will interact wtih a greater number of nucleotides compared to the monomer allowing for more specificity when interacting with DNA and decreasing the chances of encountering the correct sequence of nucleotides at a random position within the DNA molecule. O B. Forming heterodimers means a smaller number of distinct genes can be regulated by a set number of transcriptional regulators. O C. Dimers or heterodimers are required to be able to fit within the minor groove of the DNA helix. O D. All of the above.
Why do transcriptional regulators act as dimers or heterodimers rather than monomers when binding to DNA and regulating genes? O A. The dimer will interact wtih a greater number of nucleotides compared to the monomer allowing for more specificity when interacting with DNA and decreasing the chances of encountering the correct sequence of nucleotides at a random position within the DNA molecule. O B. Forming heterodimers means a smaller number of distinct genes can be regulated by a set number of transcriptional regulators. O C. Dimers or heterodimers are required to be able to fit within the minor groove of the DNA helix. O D. All of the above.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter10: From Proteins To Phenotypes
Section: Chapter Questions
Problem 21QP: Transcriptional regulators are proteins that bind to promoters (the 5-flanking regions of genes) to...
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Introduction
Genome of an organism, especially of eukaryotes, contain large number of non-coding sequences. In complex eukaryotes, not all genes are transcribed or expressed in all cell types. This regulation is possible at gene level or DNA level by transcriptional factors.
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