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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.
examples of heterotrophic nutrition
Are the alleles of a gene essentially originated one from the father and the other from the mother? Are there exceptions? It is natural so that alleles have come one from the m
It is a category of viruses having RNA genome and reverse transcriptase enzyme within virus cuspid.
Sporotrichosis Sporotrichosis is subacute or chronic infectious disease caused by a dimorphic fungus, Sporothrix schenkii which occurs commonly in soil, wood and vegetation. T
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Explain Heat Preservation - Method of Food Preservation? The process of heating was used centuries before its action was understood. Food is heated up or cooked. Heat kills mi
Define about the Food Production? We know that agriculture comprises the major source of food production. This is very true in a country like ours where the majority of the pop
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