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Which enzyme is essential for the PCR process?

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Question: Which enzyme is essential for the PCR process?

Options:

  1. DNA ligase
  2. Taq polymerase
  3. Reverse transcriptase
  4. Restriction enzyme

Correct Answer: Taq polymerase

Solution: 

Taq polymerase is a heat-stable enzyme that synthesizes new DNA strands during the PCR process.

Which enzyme is essential for the PCR process?

Practice Questions

Q1
Which enzyme is essential for the PCR process?
  1. DNA ligase
  2. Taq polymerase
  3. Reverse transcriptase
  4. Restriction enzyme

Questions & Step-by-Step Solutions

Which enzyme is essential for the PCR process?
Correct Answer: Taq polymerase
  • Step 1: Understand what PCR is. PCR stands for Polymerase Chain Reaction, a method used to make many copies of a specific DNA segment.
  • Step 2: Identify the role of enzymes in PCR. Enzymes are proteins that help speed up chemical reactions.
  • Step 3: Learn about Taq polymerase. Taq polymerase is a specific enzyme used in PCR.
  • Step 4: Know why Taq polymerase is important. It is heat-stable, meaning it can survive the high temperatures used in PCR without breaking down.
  • Step 5: Understand the function of Taq polymerase in PCR. It synthesizes new DNA strands by adding nucleotides to the growing DNA chain.
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