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Genes that are active all the time, others are regulated. The region of DNA that contains this group of control elements theat regulate the transcription of a gene is called the_____ region.

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Final answer:

The region of DNA comprising control elements for gene transcription regulation is known as the promoter region. This area is crucial for binding transcription factors that can either activate or repress the transcription process, significantly impacting gene expression and control at the molecular level.

Step-by-step explanation:

The region of DNA that contains a group of control elements that regulate the transcription of a gene is called the promoter region. Regulatory elements are embedded within the promoter and consist of specific DNA sequences where regulatory proteins, also known as transcription factors, can bind. These factors are either activators that promote transcription or repressors that impede it, thus controlling gene expression.

Gene transcription is managed by transcription factors that attach to the promoter region, which lies immediately upstream of the gene's coding sequence. This binding can either kickstart or prevent the transcription process, whereby DNA is transcribed to mRNA by RNA polymerase. The promoter itself can be variable in length, which influences the level of control over gene expression, allowing different genes to have different levels of transcription regulation.

Understanding the promoter and the regulation of transcription is fundamental in fields like biotechnology, where gene expression can be manipulated for therapeutic and industrial applications. Disruptions in these regulatory elements can have profound effects, including the development of certain types of cancer when mutations occur in regulatory genes.

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