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IGCSE Biology - Enzymes
Flash Cards about enzymes
11
Biology
9th Grade
05/12/2010

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Term
Optimum pH
Definition
The best pH at which an enzyme can work.
Term
Optimum temperature
Definition
The best temperature at which an enzyme can work.
Term
Enzyme
Definition
A protein
Acts as biological catalyist (speeds up reactions)
Term
Catalyst
Definition
A substance that speeds up a chemical reaction and is not changed by the reaction
Term
Explain how enzymes work using the "lock and Key" method.
Definition
[image]
Term
Denatured Enzyme
Definition
An enzyme which has been inactivated either by a too high or low pH or a too high or low temperature.
Term
Some things that enzymes help control...
Definition
Respiration, Photosynsethis, and our digestion are examples of what?
Term
Enzymes that may be used in biological washing powders...
Definition
Protease and Lipase are examples of what?
Term
Active site
Definition
The place at which the chemical reaction occurs
Term
Substrates
Definition
The two parts that make up the one product.
Term
Products
Definition
The out come of the two substrates binding together, or before they have split.
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