On the graph, indicate the distance that corresponds to the bond length of the N2 molecule by placing an X on the horizontal axis. B) On the graph, which shows the potential energy curve of two N atoms, carefully sketch a curve that corresponds to the potential energy of two O atoms versus the distance between their nuclei.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A)On the graph, indicate the distance that corresponds to the bond length of the N2 molecule by placing an X on the horizontal axis.

B) On the graph, which shows the potential energy curve of two N atoms, carefully sketch a curve that corresponds to the potential energy of two O atoms versus the distance between their nuclei.

### DNA Replication

#### Key Points:

1. **Helicase** unwinds the parental double helix.
2. **Single-strand binding proteins** stabilize unwound DNA.
3. **Topoisomerase** alleviates strain by cutting, swiveling, and rejoining DNA strands.
4. **Primase** synthesizes a short RNA primer, providing a starting point for DNA synthesis.
5. **DNA polymerase** continuously synthesizes the leading strand, using DNA template.
6. **Lagging strand synthesis** involves:
   - Primase synthesizing RNA primers.
   - DNA polymerase synthesizing Okazaki fragments.
   - DNA polymerase replacing RNA primers with DNA nucleotides.
   - **DNA ligase** joining Okazaki fragments, forming a continuous strand.

#### Diagram Explanation:

The diagram illustrates the enzymatic process of DNA replication, highlighting the activities of helicase, primase, DNA polymerase, and ligase. It depicts both the leading and lagging strands, demonstrating the synthesis of Okazaki fragments and the joining of these fragments to form a continuous DNA strand.
Transcribed Image Text:### DNA Replication #### Key Points: 1. **Helicase** unwinds the parental double helix. 2. **Single-strand binding proteins** stabilize unwound DNA. 3. **Topoisomerase** alleviates strain by cutting, swiveling, and rejoining DNA strands. 4. **Primase** synthesizes a short RNA primer, providing a starting point for DNA synthesis. 5. **DNA polymerase** continuously synthesizes the leading strand, using DNA template. 6. **Lagging strand synthesis** involves: - Primase synthesizing RNA primers. - DNA polymerase synthesizing Okazaki fragments. - DNA polymerase replacing RNA primers with DNA nucleotides. - **DNA ligase** joining Okazaki fragments, forming a continuous strand. #### Diagram Explanation: The diagram illustrates the enzymatic process of DNA replication, highlighting the activities of helicase, primase, DNA polymerase, and ligase. It depicts both the leading and lagging strands, demonstrating the synthesis of Okazaki fragments and the joining of these fragments to form a continuous DNA strand.
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