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Organic chemicals

organic chemicals

A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form.

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

... produce enzymes exogenously (outside of their bodies) that break down organic matter into chemicals that are absorbed through their cell walls, not ingested. http://herbarium.usu.edu/fungi/FunFacts/slimemold.htm ...

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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: 6355

Re: glass cuvette cleaning

... was drawn through the impinger by a battery-powered pump and airborne chemicals could be caught in the liquid. The liquid was sent back to the ... etc.). These impingers had to be extremely clean, with no organic chemicals on the glass surfaces which might contaminate a sample; ...

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by jonmoulton
Tue Mar 06, 2012 4:50 pm
Forum: General Discussion
Topic: glass cuvette cleaning
Replies: 2
Views: 4742

Re: Theories - Origin of Life

... end of the days he looked at what he'd found and he found the class of chemicals called hydrocarbon — the stuff that makes up the lakes on Titan ... volatile compounds ended up in — so when an experiment goes wrong in organic chemistry you get a black gook and you reach for the potassium bichromate ...

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by scottie
Mon Oct 03, 2011 2:24 pm
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1135160

Diatom Digestion - Acidity Problem on Slide

... a wash in the centrifuge. Then sulphuric acid is added to get rid of organic matter, potassium permangante is added and the solution is then cleared ... diatom slides? Is there anything you can do to avoid them? Less chemicals?, less saturated oxalic acid?, more washes? (trial run till 8 was ...

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by casbiostudent
Thu Mar 10, 2011 9:55 am
Forum: Botany Discussion
Topic: Diatom Digestion - Acidity Problem on Slide
Replies: 0
Views: 2155

Re: Biology Presentation and Research paper..

I've changed my mind! I want to write about Organic food. Is that a topic for pseudoscience? So I should write about Safety, taste, and chemicals? what you think?.. I am planning doing this on Powerpoint. So I will add pictures , etc. ...

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by Lugo
Sun Sep 12, 2010 7:24 pm
Forum: General Discussion
Topic: Biology Presentation and Research paper..
Replies: 5
Views: 2833
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