Biology (Enzymes) Flashcards
(3 cards)
1
Q
Definition of enzymes
A
Proteins that function as biological catalysts. They catalyse or speed up the rate of chemical reactions. They remain chemically unchanged at the end of the reaction
2
Q
Characteristics of enzymes
A
-Speed up chemical reactions
-Specific in action
-Required in small quantities and remain unchanged at the end of reactions
-Affected by temp and pH
3
Q
What is denaturation
A
Change in the 3 dimensional structure of an enzyme, caused by heat or chemicals