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Gene repressor proteins which inhibit the transcription of particular genes in eukaryotes also exist. They may act by binding either to control parts within the promoter region near the gene or at sites located a long distance away from the gene, called as silencers. The repressor protein should inhibit transcription directly. One instance is the mammalian thyroid hormone receptor that, in the absence of thyroid hormone represses transcription of the goal genes. Furthermore, other repressors inhibit transcription by blocking activation. This can be get in one of several ways: by blocking the DNA binding site for an activator protein, through binding to and masking the activation domain of the activator factor, or by forming a non-DNA binding complex with the activator protein. Several instance of every mode of action are known.
Requirement and Recommended Dietary Allowance (RDA) for Vitamin A? Recommendations for adequate vitamin A intake based on the amounts needed to correct night blindness among vi
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What is black mold? Mold is a fungus. Black mold is not an official term, since it is not possible to tell with the naked eye what type of mold is present, and many of them app
Which of the following is true for a toe motor neuron that excites a toe muscle that moves the big toe in the left foot? A. All of the axon terminals of the toe motor neuron ar
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Q. What is the cause of the immunodeficiency presented by AIDS patients? The cause of the immunodeficiency obtainable by AIDS patients is the destruction of CD4 T helper lympho
Determine about the visual axes of eyes In normal eyes, the visual axes are parallel to each other in the primary position of gaze. This position is usually maintained but in t
Explain the term 'health' Mention any two ways of maintaining it. Why does a doctor administer tetanus antitoxin and not a tetanus vaccine to a child Injured in a roadside acci
Until the Krebs cycle, aerobic respiration can be explained without mentioning oxygen, the chemical element after which the reaction gets its name. Where in the process does this c
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