What role do transcription factors play in gene expression?

Practice Questions

Q1
What role do transcription factors play in gene expression?
  1. They degrade RNA
  2. They enhance or inhibit transcription
  3. They replicate DNA
  4. They splice RNA

Questions & Step-by-Step Solutions

What role do transcription factors play in gene expression?
  • Step 1: Understand that genes are segments of DNA that contain instructions for making proteins.
  • Step 2: Know that transcription is the process where the information in a gene is copied to make RNA.
  • Step 3: Learn that transcription factors are special proteins that help control this process.
  • Step 4: Realize that transcription factors can bind to specific parts of the DNA near a gene.
  • Step 5: Understand that when transcription factors bind to DNA, they can either help (enhance) or block (inhibit) the transcription of that gene.
  • Step 6: Conclude that transcription factors are essential for regulating which genes are turned on or off in a cell.
No concepts available.
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