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Single-strand break

single-strand break

A break in double-stranded dNA in which only one of the two strands has been cleaved; both strands have not separated from each other.

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Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... would any population of humans have superior brains? Can you identify a single credible neurologist or neurosurgeon who can even distinguish one ... and I think it's pretty obvious that I'm smarter than you. Hate to break it to you. :mrgreen: I also alluded to the frequency distribution curve. ...

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by Seth90210
Sun Feb 16, 2014 9:35 pm
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 270140

Re: Help with indentifying object - can't narrow to even kingdom

... thing about plasmodial slime molds is that the millions of nuclei in a single plasmodium all divide at the same time. This makes slime molds ideal ... fungi. Fungi produce enzymes exogenously (outside of their bodies) that break down organic matter into chemicals that are absorbed through their ...

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by Sadial
Fri Jul 26, 2013 6:29 pm
Forum: General Discussion
Topic: Help with indentifying object - can't narrow to even kingdom
Replies: 2
Views: 3808

Re: A little help

1) All life came from a single specimen? Probably. 2) All evolution stems from random mutations? (random being ... Environment may cause mutations - e.g., UV light, radiation, etc. cause DNA to break. 4) Vestigial structures can have important functions? or not? Vestigial structures, ...

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by thoffnagle
Thu Jun 27, 2013 6:36 pm
Forum: Evolution
Topic: A little help
Replies: 5
Views: 2126

DNA repair mechanisms and cancer

... can detect only the problem - missing nucleotide in the strain, break in the strain (single stranded or double stranded), mismatch etc. and this leads to some sort of repair (depending ...

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by JackBean
Wed Jun 26, 2013 2:48 pm
Forum: Genetics
Topic: DNA repair mechanisms and cancer
Replies: 1
Views: 825

Re: Theories - Origin of Life

... presented as fact. Fact 1 The smallest living organism (species) is a single cell bacteria or archaea. Nothing smaller than this cell is considered ... system. A variety of hypotheses have been proposed in attempts to break the circle (see (133–136) and references therein) but so far none of ...

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by scottie
Mon Sep 26, 2011 12:21 pm
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929811
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