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4 votes
When were enzymes first isolated?

User Chreekat
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2 Answers

7 votes
Answer: 1897

Sumner found that urease crystals consisted entirely of protein, and he postulated that all enzymes are proteins. In the absence of other examples, this idea remained controversial for some time.
User Lmasneri
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5 votes

Answer:

1833

Step-by-step explanation:

it was in 1833 by Anselme payen

User Thierry Dalon
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