Why does a cell need to replicate its DNA?


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2012-08-12 06:58:22
2012-08-12 06:58:22

Before a cell can reproduce, it must first replicate, or make a copy of, its DNA.

This is so that when it divides, each of the daughter cells will receive a copy of the DNA.

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Cells do not replicate "In DNA". Cells replicate their DNA during the process of cell division.

so that there will be two sets of DNA ... one for each new cell. If the DNA doesnt replicate one new cell would have no DNA. and cells need DNA.

Because the DNA that is replicated will be put into the new cell during division

If the DNA did not replicate, daughter cells would not be formed.

It needs a host cell(living cell) to replicate the virus's DNA

They need to duplicate themselves because when cell division occurs, a new set of DNA needs to be split into another cell.

DNA is the genetic "instructions" for how the cell should replicate. It also controls the behavior of the cell.

The DNA only needs to replicate if the cell is going to divide. In a dividing cell the DNA must replicate in order to provide a complete copy of the genome to each new cell.

A virus replicates its DNA in a cell when it infects the host

because the DNA cannot leave the nucleaus. so it creates a duplicate of the DNA so the process of mitosis can carry out

When cells divide, the new cells produced must have a full set of genes in order to function correctly. Genes are made of DNA so it is necessary to replicate (copy) the DNA before the cell divides.

to produce another copy of the cell you're trying to replicate

its how you can replicate the DNA and make the 5 steps ;)

cells must copy their DNA to replicate

During the synthetic phase of cell cycle

It cannot replicate without DNA. All living things are made up of DNA.

DNA must replicate itself before mitotic cell division so that the two new daughter cells have the same amount of DNA, and identical DNA.

Yes, they implant their DNA into a cell. The DNA tells the cell to replicate the virus inside itself. When the cell is full of the virus, it explodes, releasing viruses all around the targeted area.

during the s phase in interphase.

This is because each divided Cell needs it's own copy of the chromosomal DNA.

For a virus to replicate it must insert its own DNA into a host nucleus cell. This newly infected cell finds another host cell to replicate, and a viral infection is produced.

viruses replicate in the host cells. they inject their DNA inside the host cell. the host cell makes more DNA and protein capsules and burst out. new viruses are replicated.

they need to replicate their DNA so that each daugther cell gets the same amount of genetic material as the parent had..

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