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What is the role of a vector in recombinant DNA technology?

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Question: What is the role of a vector in recombinant DNA technology?

Options:

  1. To amplify RNA
  2. To carry foreign DNA into a host cell
  3. To cut DNA at specific sites
  4. To synthesize proteins

Correct Answer: To carry foreign DNA into a host cell

Solution: 

A vector is a DNA molecule used to carry foreign DNA into a host cell for replication and expression.

What is the role of a vector in recombinant DNA technology?

Practice Questions

Q1
What is the role of a vector in recombinant DNA technology?
  1. To amplify RNA
  2. To carry foreign DNA into a host cell
  3. To cut DNA at specific sites
  4. To synthesize proteins

Questions & Step-by-Step Solutions

What is the role of a vector in recombinant DNA technology?
Correct Answer: A vector is a DNA molecule used to carry foreign DNA into a host cell for replication and expression.
  • Step 1: Understand that a vector is a special type of DNA molecule.
  • Step 2: Know that the purpose of a vector is to carry foreign DNA.
  • Step 3: Recognize that foreign DNA is the DNA that scientists want to study or use.
  • Step 4: Learn that the vector helps to introduce this foreign DNA into a host cell.
  • Step 5: Realize that once inside the host cell, the foreign DNA can be replicated and expressed.
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