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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.
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1. Explain why a gain of function would be a dominant effect and a loss of function would be a recessive effect. Which types of genes are each associated with: oncogenes or defect
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Define Basal Metabolism and Energy Expenditure at High Altitude? The energy and nutrient requirements depend upon total energy expenditure and metabolic rate of the individual.
Evidence Similarities between 79° and 70°, eg Feeding activity continuous / continues for 24 hours during polar day (summer months) feeding activity more intense i
Which of the following abnormal blood work results is most closely associated with a diagnosis of multiple myeloma? A. Extremely high levels of abnormal lymphocytes B. Low potassiu
Galactosemia Inability of conversion of galactose to glucose results in the accumulation of galactose in the blood - known as galactosemia. The biochemical defect usuall
It is an inexhaustible and population free source of energy. This energy maintains temperature of the earth. It causes current in the atmosphere and in ocean. The total solar energ
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