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The DNA replication machinery initially assembles and begins replication at the origin of replication. It contains high levels of AT base pairs for easier unzipping and there's usually one per bacteria chromosome, several for archaea chromosome, and many many more for eukaryotic linear chromosomes.

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Does mitosis begin with DNA replication?

Yes, mitosis begins with DNA replication.


At what point in the cell cycle does DNA replication begin?

DNA replication begins during the S phase of the cell cycle.


At what point in the cell cycle does replication of DNA cannot begin until specific checkpoints are passed?

DNA replication cannot begin until specific checkpoints are passed during the G1 phase of the cell cycle.


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DNA replication begins in areas of DNA molecules are called origins of replication.


What stage of the cell cycle where the cell is preparing to begin DNA replication?

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The human chromosomes have hundreds of origins of replication where the DNA unwinds and replication begins. These origins are specific DNA sequences that mark the starting points for the replication process by recruiting the necessary enzymes and proteins. Replication occurs bidirectionally from each origin, ensuring that the entire chromosome is faithfully duplicated.


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Primase is the enzyme responsible for synthesizing the short RNA primers required for DNA replication to initiate. These RNA primers provide a starting point for DNA polymerase to begin synthesizing new DNA strands. Once the DNA strands have been synthesized, the RNA primers are removed and replaced with DNA nucleotides by DNA polymerase.


Compare the number of replication forks in prokaryotic and eukaryotic DNA during replication?

Prokaryotic DNA replication has a single origin of replication, leading to two replication forks. In contrast, eukaryotic DNA replication has multiple origins of replication, resulting in multiple replication forks forming along the DNA molecule.


DNA is copied during a process called?

DNA is copied during a process called DNA replication. This process occurs in the nucleus of a cell and involves making an exact copy of the original DNA molecule. DNA replication is essential for cell division and passing genetic information from one generation to the next.


Which which job must enzymes do before replication can begin?

Unwind part of the original DNA molecule :)


What does DNA replication make?

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What are the four enzymes involved in DNA replication and repair?

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