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Which came first the DNA, RNA or protein

Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.

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Postby pitch » Sun Jan 08, 2006 7:21 am

I forgot to say that there is another possibility in an atmosphère composition wich was completely different. Maybe some other kind of molecules wich support life were be present and stable, and it is after that all the organic molecule that we know appeared.
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Postby victor » Sun Jan 08, 2006 11:48 am

MrMistery wrote:a human cell that old? where did they find it? and how did they decide it was human and how did they decide it was that old? Tell your professor to give a reference or people will probably think he is insane


I don't think it's the human cell because human cell is the type of cell that can live if supported by the tissue which surrounding it...while cell's ancestor is believed kinda live solitary (I mean without tissue support..)

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ancient atmosphere is different from now because at that time, there's not much oxydator like Oxygen..
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Postby reem » Tue Jan 10, 2006 1:24 pm

Tell your professor to give a reference or people will probably think he is insane



i think its crazy that u would be a monkey if u were born befor 100000000000000000000000000000 years :shock:

any way every one have its own opinions u dont have to believe mine and i dont have to believe urs but we have the right tell !!!!!!!!! :roll:
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Postby victor » Tue Jan 10, 2006 1:35 pm

Hey, you have to differ between monkeys and primates..
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Postby MrMistery » Tue Jan 10, 2006 8:33 pm

Don't be rude please. We are scientists, civilised people not primates(not monkeys either ;) )
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Postby Dr.Stein » Wed Jan 11, 2006 3:35 am

MrMistery wrote:Don't be rude please. We are scientists, civilised people not primates(not monkeys either ;) )

Who said we are NOT primates? We ARE! Human, monkeys, and apes ARE primates! :) Check your taxonomy book 8)
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Postby victor » Thu Jan 12, 2006 12:42 pm

Dr.Stein wrote:Who said we are NOT primates? We ARE! Human, monkeys, and apes ARE primates! :) Check your taxonomy book 8)

see highlighted...till what level? because in the molecular level, DNA sequence from those three are different about 8%..according to one of my bio lecturer..
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Postby Dr.Stein » Fri Jan 13, 2006 9:00 am

OF COURSE their DNA IS different to each other because they ARE different species :)

This is the taxonomy of Primates: (click the figure to view it in full-sized)

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For further information, click here: http://imgt.cines.fr/textes/IMGTreperto ... mates.html
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Postby victor » Fri Jan 13, 2006 12:35 pm

Ach so..
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Postby Dr.Stein » Fri Jan 13, 2006 1:52 pm

Ja, das ist so ;) Aww somebody could ask me to stop speaking german (again) :roll: :P :lol:
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Postby MrMistery » Fri Jan 13, 2006 7:27 pm

Ok Ok you know what i meant when i said we are not monkeys. I said it metaphorically, not taxonomically
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Postby Dr.Stein » Sat Jan 14, 2006 2:10 am

Yaa, there is always a reason for a thing :lol:
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