Chapter 6

Question 1

all enzymes are

Answer 1

proteins

Question 2

prosthetic group

Answer 2

co-enzyme that is tightly associated with the enzyme

Question 3

apoenzyme + required co-enzyme

Answer 3

holoenzyme

Question 4

oxidoreductases enzyme class

Answer 4

transfer of electrons

Question 5

transferases enzyme class

Answer 5

group transfer reactions

Question 6

hydrolases enzyme class

Answer 6

hydrolysis reactions

Question 7

lyases enzyme class

Answer 7

formation of double bonds by removing groups

Question 8

isomerases enzyme class

Answer 8

transfer of groups to yield isomeric forms

Question 9

ligases enzyme class

Answer 9

formation of carbon bonds by condensation reactions

Question 10

catalysts are (3)

Answer 10

• lower the amount of energy required for reaction
• do not change equillibrium
• unchanged by the reaction