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7 answers

the existence of inhibitor,
pH
temperature
consentration of the enzymes
etc

2006-10-08 21:36:26 · answer #1 · answered by Papilio paris 5 · 0 0

pH : Hydrogen ions (low pH) or hydroxide ions (high pH) tend to act as competitive inhibitors attaching to the active site of the enzyme

activators: some enzymes are enhanced if certain molecules are present. They often attach to an allosteric site (not the active site) and induce a shape that is optimal.

temperature: low temperatures make for slow molecular motion and less chance for random collisions. High temperatures tend to denature or change the shape of proteins (enzymes are proteins) by breaking hydrogen bonds and other cross bridging.

amount of substrate: If you have alot of enzyme molecules around but not a whole lot of work for them to do then the reaction rate will be slow. Adding more substrate will obviously increase the rate.There is a maximum rate called the v-max.

amount of enzyme: More enzymes present will also have a similar effect.

other inhibitors: many other molecules will either act as a competitive inhibitor (blocking the active site) or a non competitive inhibitor (allosteric site). This is how enzyme rates are controlled in organisms.

2006-10-09 05:12:06 · answer #2 · answered by snorkelsc 2 · 0 0

Enzyme will function at optimum level ,
If the,

Temperature high
PH
Substrate Concentration high
Enzyme concentration high

2006-10-09 04:47:04 · answer #3 · answered by Ericson 2 · 0 1

enzyme concentration
substrate concentration
pH
temperature
presence of inhibitors

2006-10-09 05:31:58 · answer #4 · answered by naheed 2 · 0 0

substrate,
pH,
Temperature
conc of enzyme
presence of enzyme inhibitor,
presence of other inhibitors (as competitive inhibitor for substrate)
etc...

2006-10-09 04:41:09 · answer #5 · answered by Anurag 2 · 0 0

Substrate, PH , temperature and time.

2006-10-09 04:38:14 · answer #6 · answered by J.SWAMY I ఇ జ స్వామి 7 · 0 1

nothing

2006-10-11 12:16:25 · answer #7 · answered by tim_norman2003 2 · 0 0

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