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The current wiki excerpt states:

Enzymes are organic catalysts. Most enzymes are proteins, although a few are catalytic RNA molecules. Catalysts speed up the rate of a reaction by lowering the activation energy barrier and are not consumed in the reaction.

However, in the light of findings that suggest "some enzymes work by preventing reactions that are not wanted rather than promoting reactions that are wanted", it would be prudent to change the tag wiki excerpt to something that is not in disagreement with these findings...but also doesn't wholeheartedly embrace them (until they've been soundly established).

Hence I propose a "neutral" tag wiki excerpt (of sorts):

Enzymes are macromolecular biological catalysts that alter the rate of a reaction, and are not consumed in the process. Most enzymes are proteins, although a few are catalytic RNA molecules.

So, do I have the green-light to go ahead with this edit?

EDIT:

Based on @Jan's suggestion, perhaps it would be better to edit the wiki excerpt to include a brief definition and indicate conditions for usage. So, the improved version will look like,

Enzymes are macromolecular biological catalysts that alter the rate of a reaction. Use this tag for question regarding enzyme kinetics, classification and action.

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Of course you can propose it. However, it should be rejected. What you have written could be the beginning of a great tag wiki — but at the moment you seem to propose it being in the excerpt (which is where your original quote is).

Tag wiki excerpts should not define the topic unless it can be reasonably assumed that most people don’t know it. They should instead define the usage:

Use this tag for questions on the catalytic effects of enzymes. It should not be used if the question could equally be asked for an inorganic or organic catalyst — in this case, catalysis may be more appropriate.

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  • $\begingroup$ I've edited the post...hopefully for the better. [Unrelated: And boy am I glad to see you! How'd the "thesis" go? >:D Also, if it wasn't obvious... Aaron Abraham = paracresol = paracetamol :D] $\endgroup$ – paracetamol Jun 23 '17 at 16:06
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    $\begingroup$ @paracetamol Well, magna ;) $\endgroup$ – Jan Jun 23 '17 at 16:26

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