Dictionary » C » Coenzyme

Coenzyme

A small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes.A cofactor molecule that helps an enzyme catalyse a particular reaction by binding with it.


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Beet Root Pigment

... such as dopamine, serotonin. Methylation is also required for the biosynthesis of melatonin and the electron transport chain constituent coenzyme Q10.

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by jinx25
Mon Oct 08, 2012 2:54 am
 
Forum: General Discussion
Topic: Beet Root Pigment
Replies: 7
Views: 2790

Please help!

... not "Ox.-Aloacetate". 2. Sorry, I mistyped that, obviously succinic acid is C4H6O4. 3. Yes, succinate does pass electrons to Coenzyme Q (Q to QH2) but I thought you were referring to it entering "a stage" of oxidative phosphorylation, not primarily the electron transport ...

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by billyfisher100
Mon Jan 23, 2012 4:53 pm
 
Forum: Cell Biology
Topic: Please help!
Replies: 10
Views: 4886

Please help!

... and oxaloacetate 2) no, succinate is not C4O4, you're forgetting hydrogens :roll: 3) succinate doesn't enter the ETC. It just passes electrons to coenzyme Q, but otherwise is involved in TCA cycle, not in ETC

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by JackBean
Sat Jan 21, 2012 3:18 pm
 
Forum: Cell Biology
Topic: Please help!
Replies: 10
Views: 4886

Please help!

... 2) Yes, it is only the carboxyl group, C4O4 succinic acid has 6 hydrogen atoms. 3) Yes, oxidative phosphorylation, after a coupled reaction with Coenzyme Q to QH2 with the enzyme succinate dehydrogenase.

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by billyfisher100
Sat Jan 21, 2012 1:13 pm
 
Forum: Cell Biology
Topic: Please help!
Replies: 10
Views: 4886

Re: Please help!

... cytoplasm with no organelles). 2) Pyruvate will enter the tricarboxylic acid cycle, be catabolised by pyruvate dehydrogenase into either Acetyl Coenzyme A or Ox.-Aloacetate. Then, the reduced nicotinamide adenine dinucleotide (NADH) and Succinate (C4O4) will enter an electron transport chain ...

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by billyfisher100
Fri Jan 20, 2012 7:19 am
 
Forum: Cell Biology
Topic: Please help!
Replies: 10
Views: 4886
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