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What is the role of plasmids in genetic engineering? (2019)

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Question: What is the role of plasmids in genetic engineering? (2019)

Options:

  1. To provide energy
  2. To serve as vectors for gene cloning
  3. To synthesize proteins
  4. To degrade DNA

Correct Answer: To serve as vectors for gene cloning

Exam Year: 2019

Solution: 

Plasmids are small circular DNA molecules that can replicate independently and are commonly used as vectors to transfer genes into host cells in genetic engineering.

What is the role of plasmids in genetic engineering? (2019)

Practice Questions

Q1
What is the role of plasmids in genetic engineering? (2019)
  1. To provide energy
  2. To serve as vectors for gene cloning
  3. To synthesize proteins
  4. To degrade DNA

Questions & Step-by-Step Solutions

What is the role of plasmids in genetic engineering? (2019)
  • Step 1: Understand what plasmids are. Plasmids are small, circular pieces of DNA found in bacteria.
  • Step 2: Learn that plasmids can replicate on their own, meaning they can make copies of themselves.
  • Step 3: Know that in genetic engineering, scientists use plasmids as tools to move genes from one organism to another.
  • Step 4: Realize that when a gene is added to a plasmid, it can be introduced into a host cell (like a bacterium) to express that gene.
  • Step 5: Understand that this process allows scientists to study genes, produce proteins, or create genetically modified organisms.
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