lab three

Question 1

enzyme

Answer 1

biological catalyst that speeds up the rate of a reaction without being consumed

Question 2

metabolism

Answer 2

sum of chemical processes within organism

Question 3

catabolism

Answer 3

breaking down of substances

Question 4

anabolism

Answer 4

building new substances

Question 5

activation energy

Answer 5

original input of energy necessary to initiate reaction

Question 6

2 means of attaining activation energy

Answer 6

heat and agitation

Question 7

substrate

Answer 7

substance enzyme acts upon

Question 8

enzyme-substrate complex

Answer 8

when enzyme and substrate join

Question 9

active site

Answer 9

portion of enzyme that binds to substrate

Question 10

induced fit model

Answer 10

active site on enzyme changes its shape to accommodate substrate

Question 11

what do enzymes end in

Answer 11

-ase

Question 12

cofactors

Answer 12

inorganic metal ions that aid enzyme activation

Question 13

coenzymes

Answer 13

nonprotein organic molecules that improve enzyme activation

Question 14

external factors for enzymes

Answer 14

temperature, concentration of substrate/enzyme, salinity, pH

Question 15

catalase

Answer 15

breaks hydrogen peroxide into water and oxygen