Enzymes

Question 1

Catalyze oxidations and reductions

Answer 1

Oxidoreductases

Question 2

Catalyze transfer of moieties such as glycosyl, methyl, or phosphoryl groups

Answer 2

Transferases

Question 3

Catalyze hydrolytic cleavage of C-C, C-O, C-N, and other bonds

Answer 3

Hydrolases

Question 4

Class of Enzymes: Catalyze cleavage of C-C, C-O, C-N, and other bonds by atom elimination, leaving double bonds

Answer 4

Lyases

Question 5

Class of Enzymes: Catalyze geometric or structural changes within a molecule

Answer 5

Isomerases

Question 6

Classes of Enzyme: Catalyze the joining together of two molecules coupled to the hydrolysis of ATP

Answer 6

Ligases

Question 7

Bind in a transient, dissociable manner either to the enzyme or to a substrate

Answer 7

Cofactor

Question 8

Serve as recyclable shuttles or group transfer agents

Answer 8

Co-enzyme

Question 9

Distinguished by their tight, stable incorporation into a proteins structure by covalent or noncovalent forces

Answer 9

Prosthetic group

Question 10

This equation describes how reaction velocity varies with substrate concentration

Answer 10

Michaelis-Menten Equation

Question 11

The substrate concentration at which Vi is half the maximal velocity attainable at a particular concentration of enzyme

Answer 11

Michaelis Constant (Km)

Question 12

Factors that affect the rate of a reaction

Answer 12

Substrate concentration
Temperature
PH

Question 13

Reciprocal of the Michaelis-Menten equation

Determine the mechanism of action of enzyme inhibitors

Answer 13

Lineweaver-Burk Plot