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Glycolysis - reductive/oxidative?

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Glycolysis - reductive/oxidative?

Postby blackbird27 » Sun Jun 03, 2012 7:20 am

Is glycolysis a reductive or oxidative process in its chemical essence? Would you mind explaining why?
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Postby JackBean » Tue Jun 05, 2012 6:56 am

Is the glucose oxidized or reduced during glycolysis?
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.
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Re: Glycolysis - reductive/oxidative?

Postby jonmoulton » Tue Jun 05, 2012 2:37 pm

"Is glycolysis a reductive or oxidative process...?" That's a tough question to answer when posed that way. Redox processes are both reductive and oxidative. The processes are linked; when you remove an electron it has to go somewhere. For every oxidation there is a reduction.

However, you can answer the question from the perspective of the carbon atoms of glucose. That's where Jack's hint comes in, and I'll repeat it with more words -- what is happening to the carbons OF GLUCOSE? Is electron density increased due to swapping for more electron-donating substituents (reduction), or is the electron density of those carbons decreased due to bonding to more electronegative substituents (oxidation)?
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