When Does Dna Replicate?
Dna Replicates in the S Phase of the Cell Cycle and Initiates at Specific Regions in the Dna Sequence Known as Dna Replication 'Origins'. a Number of Proteins...
DNA replicates in the S phase of the cell cycle and initiates at specific regions in the DNA sequence known as DNA replication 'origins'. A number of proteins participate in DNA replication and the process is subject to scrutiny by cell surveillance mechanisms called cell cycle checkpoints.
What phase does DNA replication occur?
In the eukaryotic cell cycle, chromosome duplication occurs during "S phase" (the phase of DNA synthesis) and chromosome segregation occurs during "M phase" (the mitosis phase).
When and why is DNA replicated?
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
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