What is the significance of a promoter in a vector?
Practice Questions
Q1
What is the significance of a promoter in a vector?
It provides structural support to the vector
It regulates the expression of the inserted gene
It enhances cell division
It prevents vector degradation
Questions & Step-by-Step Solutions
What is the significance of a promoter in a vector?
Step 1: Understand what a vector is. A vector is a tool used in genetic engineering to carry and introduce a gene into a host cell.
Step 2: Learn about a promoter. A promoter is a specific DNA sequence that signals where to start reading a gene.
Step 3: Know the role of a promoter in a vector. The promoter controls when and how much of the gene is expressed (turned into a protein).
Step 4: Realize the importance of this regulation. If the promoter is strong, the gene will be expressed a lot; if it's weak, the gene will be expressed less.
Step 5: Conclude that without a promoter, the gene in the vector may not be expressed at all, making it essential for the success of genetic experiments.
