Enzymes Flashcards
1
Q
What is an enzyme?
A
Almost all biological functions are supported by chemical reactions catalyzed by biological catalysts called enzymes
2
Q
What is enzyme activity?
A
One international unit (IU) of enzyme catalyzes conversion of 1 µmol of substrate to product per minute.The specific activity of an enzyme is a measure of the number of IU/mg protein
3
Q
Coenzymes
A
organic compounds assist the function of some enzymes
4
Q
Cofactors
A
are metals that assist enzyme function
5
Q
Enzyme regulation
A
Regulated by
Temperature and PH
Enzyme concentration
Substrate and product concentration
Tissue and cellular location
6
Q
Types of enzymes
A
Oxidoreductases
Transferases
Ligases
Lyases
Isomerases
Hydrolases
