Questions: The anchor used to start a new DNA strand is called a starter trigger primer

The anchor used to start a new DNA strand is called a starter trigger primer
Transcript text: The anchor used to start a new DNA strand is called a starter trigger primer
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Solution

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The answer is the third one: primer.

Explanation for each option:

  • Starter: This is not the correct term used in the context of DNA replication. In molecular biology, a "starter" is not a recognized term for initiating DNA synthesis.
  • Trigger: This term is not used in the context of DNA replication. A "trigger" might refer to something that initiates a process, but it is not the specific term used for starting a new DNA strand.
  • Primer: This is the correct term. In DNA replication, a primer is a short strand of RNA or DNA that serves as a starting point for DNA synthesis. It is necessary because DNA polymerases can only add new nucleotides to an existing strand of DNA.

In summary, the correct answer is "primer," as it is the specific term used to describe the anchor that starts a new DNA strand during replication.

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