Enzymes for S4 2011-IGCSE LEVEL

E N Z Y M E S ,[object Object],[object Object],[object Object],[object Object]

DEFINITION ,[object Object],[object Object],[object Object]

WHAT ENZYMES DO ,[object Object],[object Object],[object Object],[object Object]

SOME TERMS TO REMEMBER ,[object Object],[object Object],[object Object],[object Object],[object Object]

PROPERTIES OF ENZYMES ,[object Object],[object Object],[object Object],[object Object]

HOW ENZYMES WORK ,[object Object]

[object Object],[object Object]

FACTORS AFFECTING ENZYME-CONTROLLED REACTIONS ,[object Object],[object Object],[object Object],[object Object],[object Object]

HOW TEMPERATURE AFFECTS ENZYMES At low temperatures , enzymes are inactive or work very slowly. As the temperature increases, enzymes become more active and the rate of reaction increases until the optimum temperature , when the highest rate of reaction is achieved. At higher temperatures , the enzymes are denatured (destroyed) so they can no longer bind to the substrate and no reaction takes place.

HOW pH AFFECTS ENZYMES ,[object Object],[object Object]

pH and temperature of different enzymes

Enzymes for S4 2011-IGCSE LEVEL

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