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Old Nootan

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RC
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PostSubject: Old Nootan Wed Mar 24, 2010 4:07 pm

I have an older edition of Nootan Chem,pls help me out by telling me
what is "Chemotrophs"; its given in the scope under polymers
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cutoradhika




PostSubject: Re: Old Nootan Wed Mar 24, 2010 5:03 pm

I checked out the new Nootan even there nothings written about chemotrophs . On google it says its a type of sea organism . The maximum link i could get was that these organisms are important as they are the source of the heat-resistant enzyme Taq DNA
Polymerase
Taq
polymer,
one of the most important enzymes in molecular
biology

because of its use in the polymerase
chain reaction
Polymerase chain reaction

In
molecular biology, the polymerase chain reaction is a technique to
amplify a single or few copies of a piece of DNA across several orders
of magnitude, generating thousands to millions of copies of a particular
DNA sequence...

(PCR) DNA amplification technique.
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G-7
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PostSubject: Re: Old Nootan Wed Mar 24, 2010 5:29 pm

dude...in English...!! English..!! This is just tchnical yadda yadda..!!
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Uber
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PostSubject: Re: Old Nootan Wed Mar 24, 2010 6:49 pm

chemotrophs are org. tht gain energy by oxidation of electron donating molecules in the environment.......2 types.....1)autotroph...2)heterotroph...... ...thts all u need............. Wink Wink Wink
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G-7
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PostSubject: Re: Old Nootan Wed Mar 24, 2010 8:22 pm

thanks man..!! is this important..?? i dont recollect my teacher teachng me this..!
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anjanavr47
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PostSubject: Re: Old Nootan Thu Mar 25, 2010 12:07 am

chemotrophs are organisms that derive energy by oxidation
of inorganic compounds & use it for life processes.
eg:
->Sulphur bacteria (oxidise of sulphur compounds)
->Iron bacteria (oxidise of ferrous compounds)
->Hydrogen bacteria (oxidise of hydrogen to water)
->Nitrifying bacteria (oxidise of ammonia to nitrates)
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PostSubject: Re: Old Nootan Thu Mar 25, 2010 12:58 am

ok..thanks then..! all the best..!
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anjanavr47
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PostSubject: Re: Old Nootan Thu Mar 25, 2010 11:42 am

ur welcome..
all the best.... cheers
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Old Nootan

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Complete IIT AIEEE ICSE ISC PMT help forum :: ISC :: ISC 2010 [Class xii] :: Chemistry-