5.1

Question 1

Enzyme def

Answer 1

speed up chemical reactions

Question 2

list properties of enzymes

Answer 2

reaction specific
not consumed in reaction
made of protein
affected by cellular conditions

Question 3

substrate def

Answer 3

reactant that binds to enzyme

Question 4

active site def

Answer 4

where substrate binds

Question 5

activation energy def

Answer 5

amount of energy needed to start chemical reaction

Question 6

list 4 things that affect rxn rate

Answer 6

temp
pH
enzyme concentration
substrate concentratiom

Question 7

true or false: pH and temp graphs have a bell curve

Answer 7

true

Question 8

how can an enzyme be turned on

Answer 8

activators/cofactors
coenzymes

Question 9

how can an enzyme be turned off

Answer 9

inhibitors

Question 10

what are the 2 types of inhibitors

Answer 10

competitive and noncompetitive

Question 11

explain the difference between competitive and noncompetitive inhibitors

Answer 11

competitive inhibitors bind at the active site, noncompetitive inhibitors bond at a different place on the enzyme