What is the function of a promoter in gene expression?

Practice Questions

Q1
What is the function of a promoter in gene expression?
  1. To enhance transcription
  2. To initiate transcription
  3. To terminate transcription
  4. To bind ribosomes

Questions & Step-by-Step Solutions

What is the function of a promoter in gene expression?
  • Step 1: Understand that genes are segments of DNA that contain instructions for making proteins.
  • Step 2: Know that gene expression is the process of turning on a gene to make its corresponding protein.
  • Step 3: Learn that a promoter is a specific region of DNA located at the beginning of a gene.
  • Step 4: Recognize that the promoter acts as a signal for the cell to start reading the gene.
  • Step 5: Understand that RNA polymerase is an enzyme that binds to the promoter to begin the process of transcription.
  • Step 6: Realize that transcription is the first step in gene expression, where the DNA is copied into RNA.
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