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any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion.
Source: Dictionary.com



Enzymes /ˈɛnzaɪmz/ are macromolecular biological catalysts. Enzymes accelerate, or catalyze, chemical reactions. The molecules at the beginning of the  ...

Chem4Kids.com: Biochemistry: Enzymes


Enzymes are very specific and only work with certain substrates. We have a whole section where we tell you about reactions and the molecules that change in ...

Free Irritable Bowel Syndrome Newsletter! More »
By Barbara Bradley Bolen, Ph.D., About.com Guide



Enzymes. There are a few things to remember about enzymes. First of all, all enzymes are proteins (just about - there are a few exceptions but you will not come ...

Chemistry for Biologists: Enzymes


Enzymes are very efficient catalysts for biochemical reactions. They speed up reactions by providing an alternative reaction pathway of lower activation energy.

What are enzymes? | Novozymes


Looking for info on enzymes? Find out all about enzymes, including how they work, and what they can be used for.

What is an enzyme? | About Enzymes | AMANO


Enzymes are proteins that have catalytic functions indispensable to maintenance and activity of life. All chemical reactions occurring in a living organism are ...

How Do Enzymes Work? - LiveScience


Apr 26, 2014 ... Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place ...

enzyme | Define enzyme at Dictionary.com
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Popular Q&A
Q: What is an enzyme?
A: B) a protein produced by cells that functions to speed up chemical reactions. B) a protein produced by cells that functions to speed up chemical reactions.  .  ... Read More »
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Q: What is an enzyme.
A: Enzymes Enzymes are biological catalysts, mainly proteins, generated by an organism to speed up chemical reactions. They have an active site on which the substr... Read More »
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Q: What is the enzymes.
A: Enzyme is a type of protien that speeds up a chemical reaaction in a living thing. Read More »
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A: A few things here. It's I've, unless your friend is named Iv, in which case, you need to say "Iv has been. Prey - is a noun that can be used as a singular and a... Read More »
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Q: What is an enzyme
A: enzyme: any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions Read More »
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