Question

What is the role of enzymes in the DNA replication process?
Enzymes link adjacent nucleosides together, becoming an integral part of the structure of the new strands of DNA.
Enzymes split the DNA molecule into two strands and then transport corresponding nitrogenous bases to each strand.
Enzymes read the DNA code and build a new DNA molecule from scratch.
Enzymes link together to form a template for a new DNA molecule to be built.

Answers

GPT-4o mini
Enzymes play a crucial role in the DNA replication process, primarily by facilitating the various steps involved in copying the DNA. The correct answer among the options you provided is:

**Enzymes split the DNA molecule into two strands and then transport corresponding nitrogenous bases to each strand.**

Here's a brief overview of the key enzymes involved:

1. **Helicase**: This enzyme unwinds and separates the double-stranded DNA to create two single strands, effectively "splitting" the DNA molecule.

2. **DNA Polymerase**: This enzyme adds new nucleotides to the growing DNA strand by matching them to the template strand. It ensures the incorporation of the correct corresponding nitrogenous bases (adenine, thymine, cytosine, guanine).

3. **Primase**: This enzyme synthesizes a short RNA primer to provide a starting point for DNA polymerase.

4. **Ligase**: After DNA segments are synthesized, ligase joins the Okazaki fragments on the lagging strand to create a continuous DNA strand.

These enzymes work together to ensure accurate and efficient replication of DNA.

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