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Dna replication

Dna replication

(Science: molecular biology) The process whereby a copy of a DNA molecule is made and thus the genetic information it contains is duplicated. The parental double stranded dna molecule is replicated semi conservatively, i.e. Each copy contains one of the original strands paired with a newly synthesised strand that is complementary in terms of AT and GC base pairing. Though in this sense conceptually simple, mechanistically a complex process involving a number of enzymes.


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Re: How did endosymbionts coordinate replication?

Just a question about mtDNA: According to the endosymbiontic theory mitochondria were ancient bacteria that survived in an ancient eukaryotic cell and continued to live as part of it as an organelle. So, I suppose, in any eukaryotic cell ...

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by kk
Tue Feb 26, 2013 8:29 am
 
Forum: Cell Biology
Topic: How did endosymbionts coordinate replication?
Replies: 5
Views: 809

Re: Re:

... such as chemical (DDT, CCL4), radiation, ionizing etc. It mutate the DNA in cell. If only a single is mutated, it can be replicated as usual in ... and they may have dysfunctional proof-reading mechanisms in the cell replication, they easily accumulate more mutations and these have a good ...

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by Ahsmeah
Tue Feb 05, 2013 10:10 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 1015

Re: Re:

... such as chemical (DDT, CCL4), radiation, ionizing etc. It mutate the DNA in cell. If only a single is mutated, it can be replicated as usual in ... and they may have dysfunctional proof-reading mechanisms in the cell replication, they easily accumulate more mutations and these have a good ...

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by biohazard
Tue Feb 05, 2013 1:23 pm
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 1015

Re:

... such as chemical (DDT, CCL4), radiation, ionizing etc. It mutate the DNA in cell. If only a single is mutated, it can be replicated as usual in ... be done as easy as it is said, because mutations arise naturally during replication and they can be induced by virtually any chemical found in the ...

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by Ahsmeah
Mon Feb 04, 2013 10:56 am
 
Forum: Physiology
Topic: Cancer = Mutation: Stopping Mutation Would Cure Cancer?
Replies: 6
Views: 1015

How does a plasmid work?

Can you (or anybody else) go into a little more detail about how the replication works? Or link me to a website? Is it still the same with helicase unwinding the DNA and primase coming in and etc. like in regular DNA replication?

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by WizardofScience
Sun Dec 30, 2012 2:06 pm
 
Forum: Molecular Biology
Topic: How does a plasmid work?
Replies: 2
Views: 634
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