Dictionary » D » Disproportionation



(Science: chemistry) The splitting of a chemical Compound into two new compounds, one more oxidized and one more reduced than the original compound.

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IBO 2003 questions- please help me out

... AMP + GTP = ADP + GDP. С. ATP + GDP = ADP + GTP. D. ATP + UMP = ADP + UDP. E. ADP + AMP = ATP + adenosine. (I think it might be option A, because disproportionation among ADP sounds improbable) Also, anyone got the solutions/ answer keys for IBO papers?

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by tittu
Mon May 12, 2008 2:34 pm
Forum: Cell Biology
Topic: IBO 2003 questions- please help me out
Replies: 9
Views: 11208

The Fiber Disease

... residues to respective semiquinones, DOPA-melanin scavenges also RNS, mainly the ex- tremely toxic radical of nitrogen dioxide (NO2) produced by disproportionation of nitrite (NO2–)in low pH (Reszka et al., 1998). This mechanism is probably responsible for the survival of melanotic C. neoformans ...

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by Nadas Moksha
Thu Oct 26, 2006 3:39 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6245851

Is it fermentation?

There are sulfate reducing bactria which use sulfur disproportionation reaction: S2O3 + H2O -> SO4 + H2S Is this process called fermentation? (no outside e-acceptor ( by definition of disproportionation redox reaction ))

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by druid
Sat Oct 14, 2006 12:25 pm
Forum: Cell Biology
Topic: Is it fermentation?
Replies: 2
Views: 1556

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