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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.

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โˆ™ 2011-09-13 23:50:07
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Q: Why does DNA replicate before the cell divides?
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Why must the DNA in a cell replicate before the cell divides?

DNA replication begins when the two sides of the DNA molecule unwind and seperate, like a zipper unzipping.


Why does a cell need to replicate its DNA?

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.


What must a cell do before a cell divides?

the DNA must be replicated before the cell divides


Why does DNA need to replicate itself?

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.


What is general definition of replication?

The process by which DNA is copied before it condences into chromosomes. Replication takes place before a cell divides


How does the cell replicate In DNA?

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


What happens before a cell divides?

Before a cell divides, strands of DNA in the nucleus must be copied.


Why does a cell make copies of its DNA before it divides?

A cell makes copies of its DNA before it divides to pass on it's genetic information to the new cell. The parent cell needs to keep a DNA copy for itself to continue to replicate and adapt. That's right, all is not set in stone. Research shows DNA is adaptive, too. It responds to the environment, available food supplies, etc.


What does a cell do before it divides?

it has to copy its DNA


How is prokaryotic cell division similar to eukaryotic cell division?

they both replicate all their DNA and use the process of cytokinesis when the cytoplasm divides with the cell


What happens to the info before the cell divides?

Your DNA is copied into the new cell every time it divides


Where does DNA form?

DNA replication occurs in the nucleus of the cell - just before the cell divides.


How many times does the DNA replicate in mitosis?

the 1 cell divides into 2 different cells by the end of mitosis


Why do DNA replicate itsself?

DNA replicates itself to produce offspring during mitosis which is cell division. When a cell divides, it needs a second set of DNA so that the offspring will have an identical set of DNA as well.


DNA replicates before a cell divides ensures that each daughter cell has a complete set of what?

DNA replicates before a cell divides ensures that each daughter cell has a complete set of genetic material They must have an identical set of DNA.


Why does a cell make a copy of its DNA defore it divides?

Because each cell needs its own set of DNA, there must be two sets of DNA present in a cell before it divides into two.


Describe DNA replication?

Process by which a cell duplicates its DNA before it divides.


Where does DNA replication form?

DNA replication occurs in the nucleus of the cell - just before the cell divides.


Why does DNA need to be replicate before cell division?

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


Why does DNA have to replicate before a cell divides?

Each cell needs to have DNA in it in order to function (with the one key exception of a red blood cell which has no nucleus). In order to make sure each copy of the cell that is produced during cell division has the necessary information to function,the DNA must first be replicated and then each of the cells gets one copy of the DNA.


What must a cell do before it divides?

Copy it's DNA


Replication of chromosomal DNA occurs?

before a cell divides


When does replication of chromosomal DNA occur?

Before a cell divides


Does DNA replication occur before the cell divides?

yes


Why DNA replication needed a cell divides into two daughter cells?

DNA replicates before a cell divides to give a complete set of genetic instructions to each daughter cell.