FKLW
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Can enzymes work outside a cell? Vitamin C has the enzyme ascorbic acid oxidase, but when Vitamin C is in orange juice does the enzyme still work? Thanks!
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gdunne42
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(Original post by FKLW)
Can enzymes work outside a cell? Vitamin C has the enzyme ascorbic acid oxidase, but when Vitamin C is in orange juice does the enzyme still work? Thanks!
Yes in general enzymes can work outside of a cell as long as the conditions don't cause them to denature

Enzymes are sensitive to temperature and pH and other factors that may stop them from working.


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FKLW
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(Original post by gdunne42)
Yes in general enzymes can work outside of a cell as long as the conditions don't cause them to denature

Enzymes are sensitive to temperature and pH and other factors that may stop them from working.


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So when Vitamin C the molecule is in orange juice will it contain the enzyme oxidase and will it be functioning?
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gdunne42
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Yes it is present at low levels in oranges and yes it will function when oranges are pressed for juice unless something is done to inhibit it.



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Kallisto
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(Original post by FKLW)
Can enzymes work outside a cell? (...)
Yes, there are enzymes which are not only working inside of a cell, but also outside too. As far as I know alpha amylase is an enzyme which exist in saliva to split inter alia the starch and glycogen. So it is outside of the cell.
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Brachioradialis
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Many organisms also produce enzymes specifically for outside the cell. The biggest kingdom that does that is the fungal kingdom, who saprophytically digest organic matter using enzymes.
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