Dictionary » C » Catalyse




(1) To speed up a process, especially a chemical or biochemical reaction.

(2) To cause catalysis.

(3) To transform or bring significant change.


Word origin: from catalysis

Variant: catalyze (mainly American)

See also: enzyme

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Re: Why is ATP rather than GTP, CTP or TTP the energy currency?

... is very interesting, thank you! I have wondered for a while what drives protein synthesis forward in terms of energy, and why don't ribosomes also catalyse the reverse reaction of peptide formation, now I guess it's due to the GTP hydrolysis? But I also have some questions about the above post, ...

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by Maus
Tue Feb 03, 2015 6:46 pm
Forum: Molecular Biology
Topic: Why is ATP rather than GTP, CTP or TTP the energy currency?
Replies: 6
Views: 9599

Enzyme Catalysation

Why enzymes are not altered or destroyed by the reaction which they catalyse?

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by moneyyip
Tue Aug 23, 2011 1:28 pm
Forum: General Discussion
Topic: Enzyme Catalysation
Replies: 3
Views: 2266


Enzymes are bilogical or organic catalysts make up of protein in nature. They catalyse the many biochemical processes occuring in the living cell over a narrow temperature range. They alter the rate of chemical reactions without themselves being reacted chemically ...

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by bellyjelly
Tue Jul 12, 2011 9:27 am
Forum: Molecular Biology
Replies: 10
Views: 21492

Re: two different color eyes

this is probably wrong but... i was told different features in the body are the result of a reaction being catalysed by an enzyme and different enzymes are denatured at different temperatures. some people have brains that are stronger on one side or the other and this effects ...

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by melonhead94
Sun Jun 26, 2011 10:27 pm
Forum: Human Biology
Topic: two different color eyes
Replies: 141
Views: 298752

Calvin Cycle Paradox

... of 3 CO2 has used the three carbon atoms and three oxygen atoms and I assume it has taken the 6 hydrogen from the NADPH when it was used to catalyse the reaction but we still have an excess of 3 oxygen molecules that haven't been used from the original input of 3 CO2 molecules. This is baffling ...

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by Tddorans
Thu Mar 25, 2010 5:44 am
Forum: Cell Biology
Topic: Calvin Cycle Paradox
Replies: 2
Views: 2836
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