Chapter 5

Question 1

Potential energy

Answer 1

Stored

Question 2

Energy in motion

Answer 2

Kinetic

Question 3

Energy cannot be created or destroyed

Answer 3

Law 1 thermodynamics

Question 4

Entropy
Movement towards disorder

Answer 4

Law 2 thermodynamics

Question 5

Order requires ________ system or constant source of ________________

Answer 5

Open
New energy

Question 6

Release of energy as heat is an example of

Answer 6

Entropy or disorder

Question 7

Reactant is another word for

Answer 7

Substrate

Question 8

Reaction that releases energy

Answer 8

Exergonic

Question 9

Reaction that uses/requires energy input

Answer 9

Endergonic

Question 10

All reactions require __________ __________ to get started

Answer 10

Activation energy

Question 11

_______________ decrease energy of activation

Answer 11

Catalysts

Question 12

_____________ are proteins that act like biological catalysts

Answer 12

Enzymes

Question 13

Enzymes bind reactants at

Answer 13

Active Site

Question 14

_____________ stress the bonds that pressure reaction to happen.

Answer 14

Enzymes

Question 15

Enzymes stressing of bonds lowers ____________ _____________

Answer 15

Activation energy

Question 16

Enzymes bind ____________ and bring them into proximity

Answer 16

Reactants

Question 17

Enzymes need the right __________ and ______________ to function

Answer 17

Temperature and pH+

Question 18

__________ ___________ interferes with active site of enzyme

Answer 18

Competitive inhibitor

Question 19

_________ ___________ changes shape of enzymes so it cannot bind

Answer 19

Noncompetitive inhibition

Question 20

___________ _____________ turns off enzymes so they stop

Answer 20

Allostreic binding or competitive inhibition

Question 21

________________ _____________ is a fixed sequence of reaction where the product of one reaction becomes the reactant of the next next reaction

Answer 21

Biochemical pathway

Question 22

_______ is the energy currency for the cell.

Answer 22

ATP

Question 23

_______ is synthesized in mitochondria

Answer 23

ATP

Question 24

________ and phosphate combine in the mitochondria to make ________

Answer 24

ADP
ATP