How do transcription factors bring about expression of a gene?

Answer 1

Genes manifest themselves as proteins. During transcription, the gene's information is transferred to mRNA, which is then translated into proteins. These proteins can be structural, enzyme-like, or hormone-like, and this is how the gene manifests itself.

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Answer 2

Natalie Ahrens

Transcription factors bind to specific DNA sequences near a gene's promoter region, recruiting RNA polymerase to initiate transcription. They can enhance or inhibit transcription by interacting with coactivators or corepressors, respectively. This process regulates gene expression by controlling the rate of mRNA synthesis.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.