jay1 Forum Junior
Topics: 18 Posts: 53
| | 06/19/04 - 06:27 PM  
 
   
 
|   #1 |
The destruction of H2O2, which is a mildly toxic reduced oxygen species, is catalyzed by which of the following enzymes? A) Nitric oxide synthase (inducible) B) Cytochrome oxidase C) Superoxide dismutase D) Xanthine oxidase E) Catalase
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| suvi21 Forum Junior
Topics: 6 Posts: 81
| | 06/19/04 - 06:34 PM  
 
   
 
|   #2 |
catalase
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| mash Forum Fanatic
Topics: 147 Posts: 1,326
| | 06/19/04 - 06:39 PM  
 
   
 
|   #3 |
catalase
___________________ I hear and I forget. I see and I remember. I do and I understand. --Confucius
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| jay1 Forum Junior
Topics: 18 Posts: 53
| | 06/19/04 - 07:00 PM  
 
   
 
|   #4 |
yes right.......catalase. H2O2 is neutralized by catalase ( located in peroxisomes ) and glutathione peroxidase.
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| Bela Forum Guru

Topics: 76 Posts: 412
| | 06/21/04 - 11:12 PM  
 
   
 
|   #5 |
Myeloperoxidase, too. Correct?
___________________ La vita e bella!
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| mash Forum Fanatic
Topics: 147 Posts: 1,326
| | 06/21/04 - 11:21 PM  
 
   
 
|   #6 |
myeloperoxidase converts H2O2 to HOCl-. (reacts with Cl-) which is more toxic catalase converts H2O2 to H2O and 1/2 O2
___________________ I hear and I forget. I see and I remember. I do and I understand. --Confucius
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| Bela Forum Guru

Topics: 76 Posts: 412
| | 06/21/04 - 11:24 PM  
 
   
 
|   #7 |
Got u! HOCl- is the bleach that kills the bacteria, correct?
___________________ La vita e bella!
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| mash Forum Fanatic
Topics: 147 Posts: 1,326
| | 06/21/04 - 11:26 PM  
 
   
 
|   #8 |
right
___________________ I hear and I forget. I see and I remember. I do and I understand. --Confucius
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