chapter 5 enzymes

Question 1

enzyme

Answer 1

act as a biological catalyst
exist in living things to speed up chemical reactions
if they changed shapes, they would change functions

Question 2

energy of activation

Answer 2

the amount of energy that must be input before an exergonic reaction will proceed

Question 3

rate of reaction

Answer 3

enzymes lower energy needed for activation and they happen faster

Question 4

explain the relationship between: enzyme, energy of activation, and rate of reaction

Answer 4

enzymes lower the energy of activation, so they happen faster

Question 5

discuss factors that can affect an enzyme’s ability to work.

Answer 5

temperature
salt concentration
pH
need of non-protein helpers called cofactors

Question 6

cofactors

Answer 6

nonprotein components

Question 7

inorganic cofactors

Answer 7

metal ions

Question 8

organic cofactors

Answer 8

vitamins

Question 9

inhibitor

Answer 9

a chemical interfering with enzyme activity

Question 10

competitive inhibitor

Answer 10

blocking substrate from entering the active sight

Question 11

non-competitive inhibitor

Answer 11

binds elsewhere on the enzyme