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DNA supercoiling

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DNA supercoiling

Postby mslynnlynn » Tue May 24, 2005 3:41 am

i want to know the answer of these question.
please,help me.
1.important enzymes in the formation of DNA super coiling?
2.What repeats are the basis of the DNA fingerprinting techniques?
3.What r the retrovial genomes integrated into the vertebrate chromosomes?
4.The _______ genes which lack a greater or lesser stretch from one end of the complete genes.
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Postby mith » Tue May 31, 2005 3:49 am

1. supercoiling as in forming chromosomes?
2. Dunno, what they're called but they're sequences where the restriction enzymes cut.
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Postby canalon » Tue May 31, 2005 1:28 pm

Hey we do not do your homeworks for you. But here are some links to start with. I took me a few seconds with Google to find them.

1-http://www.usm.maine.edu/~rhodes/Goodies/text/DNADemo.html
2-http://www.answers.com/topic/genetic-fingerprinting I'll ad that this is true for human DNA, if you want to finger print DNA from other species, like we usually do with bacteria in my lab, other sequences are used (ERIC or BOX for enterobacteria). And as Mithrilhack said finger printing can be done using different method not just amplification of some sequences (he suggested restriction, but amplification of random sequences can also be used, and other methods)
3-http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&pubmedid=9621058 This is a complete but tough one. You may use google again to help you understand everything.
4- No idea, too lazy to find the correct word in english. It's not my native language, and you should probably find it in your textbook when talking about deletions.

HTH

Patrick
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Postby mith » Tue May 31, 2005 2:21 pm

There's a good idea, turn biology homework into french homework!
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Postby canalon » Tue May 31, 2005 3:13 pm

mithrilhack wrote:There's a good idea, turn biology homework into french homework!


Or Romanian or turkish or whatever language anyone speak on this forum but english. It would be fun but not very helpfull. At least we could give the right answer without remorse, still some research would be necessary to complete their homework :twisted:
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Postby MrMistery » Tue May 31, 2005 6:31 pm

An american learning romanian... I'd like to see that one...
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Postby Poison » Tue May 31, 2005 6:52 pm

Or an American learning Turkish.... :) sounds good... ;)
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Postby canalon » Tue May 31, 2005 7:12 pm

But turkish an romanian could be usefull for an european. If you ever make it to the EU. 8)
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Postby MrMistery » Tue May 31, 2005 7:25 pm

I hope not. The EU will mean only more expenses for us. Unfortunately they say we will :cry: :cry:
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Postby Jelanen » Tue May 31, 2005 7:39 pm

Sorry, I only speak english, bio-geek, and computer-geek. And a little pig latin. Oh, and I'm passable in mechanical-geek.

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Postby MrMistery » Tue May 31, 2005 7:47 pm

Lool... What about chemistry-geek, Jelanen?
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thank you

Postby mslynnlynn » Wed Jun 01, 2005 3:56 am

canalon,
thank u for ur kindness.
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