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What is a plasmid?

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Question: What is a plasmid?

Options:

  1. A type of virus
  2. A circular DNA molecule
  3. A protein structure
  4. A type of RNA

Correct Answer: A circular DNA molecule

Solution: 

A plasmid is a circular DNA molecule that is commonly used as a vector in recombinant DNA technology.

What is a plasmid?

Practice Questions

Q1
What is a plasmid?
  1. A type of virus
  2. A circular DNA molecule
  3. A protein structure
  4. A type of RNA

Questions & Step-by-Step Solutions

What is a plasmid?
  • Step 1: Understand that DNA is the genetic material found in living organisms.
  • Step 2: Know that DNA can come in different shapes; one of these shapes is circular.
  • Step 3: Learn that a plasmid is a small, circular piece of DNA.
  • Step 4: Recognize that plasmids are often found in bacteria.
  • Step 5: Understand that scientists use plasmids as tools to insert new genes into organisms, which is called recombinant DNA technology.
  • Definition of Plasmid – A plasmid is a small, circular piece of DNA that is separate from chromosomal DNA and can replicate independently.
  • Role in Recombinant DNA Technology – Plasmids are often used as vectors to transfer genetic material into cells.
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