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Acetylene

Acetylene

(Science: chemistry) a gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colourless gas, with a peculiar, unpleasant odour, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant.


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Re: "H - C = C - H" doesn't make sense chemically why?

... as drawn has the carbons sharing only three electrons (one for each bond) which means that each carbon has a non-bonded electron. That makes it an acetylene diradical. Such a molecule may exist along some photochemical reaction path, and you can, I’m sure, calculate its energy, which is undoubedly ...

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by blcr11
Mon Aug 18, 2008 6:35 pm
 
Forum: General Discussion
Topic: "H - C = C - H" doesn't make sense chemically why?
Replies: 3
Views: 5756

cellulolytic nitrogen fixing bacteria

... (or its equivalent). You could measure the rate of N2 consumtion manometrically, I suppose. A proxy for measuring nitrogenase activity is to use acetylene reduction, but you’ll have to look up a method. I don’t know the techniques well enough. I’m not sure what to suggest for trying to optimize ...

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by blcr11
Tue Apr 24, 2007 6:08 pm
 
Forum: Molecular Biology
Topic: cellulolytic nitrogen fixing bacteria
Replies: 1
Views: 2190

reply

Acetylene antisence is a gene encode for RNA antisence to the gene which produce acetilene and inhibit this genes' expression. It make the fruit have storage time longer than usual 2-4 times. Now a lot of fruits are in transformation ...

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by mothorc
Fri Jul 29, 2005 1:16 pm
 
Forum: Botany Discussion
Topic: Genetically engineered fruits
Replies: 8
Views: 5260

Genetically engineered fruits

Thanks everyone for the replies. Mothorc: What does the acetylene antisense do to the pineapple? Dr Stein: What melon genes did your friend alter for their PhD? :D

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by Anne
Fri Jul 29, 2005 7:59 am
 
Forum: Botany Discussion
Topic: Genetically engineered fruits
Replies: 8
Views: 5260

reply

papaya , banana, pinapple (with acetylene antisence), mango. But usually trere are a ratio of trans or untrans mixed on the market. @ Dr.stein: they are transformation not mean they are selling at the market.

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by mothorc
Fri Jul 29, 2005 4:59 am
 
Forum: Botany Discussion
Topic: Genetically engineered fruits
Replies: 8
Views: 5260


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