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DNA Replication Overview: Prokaryotes vs. Eukaryotes

Understand the key events of DNA replication, compare prokaryotic and eukaryotic processes, and explore DNA structure and replication in the cell cycle. Learn about telomeres, DNA polymerase, and replication forks.

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DNA Replication Overview: Prokaryotes vs. Eukaryotes

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  1. DNA Replication

  2. Learning Objectives • Summarize the events of DNA replication. • Compare DNA replication in prokaryotes with that of eukaryotes.

  3. Review of DNA Structure nitrogenous bases sugar-phosphate backbone double helix

  4. DNA Replication and the Cell Cycle DNA replication occurs during the phase of the cell cycle. S

  5. Copying DNA replication fork DNA polymerase Direction of replication Direction of replication new nucleotides being added

  6. DNA Replication The blue strand represents the DNA strand. The red strand represents the DNA strand. original new

  7. Telomeres Telomeres: the tips of eukaryotic chromosomes Telomerase adds short, repeated DNA sequences to telomeres as the chromosomes are replicated. Telomeres

  8. Eukaryotic DNA Replication Unreplicated DNA Replication forks New DNA

  9. Prokaryotic DNA Replication new DNA replication fork replication fork unreplicated DNA

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