Test 2 ENERGY

Question 1

Energy

Answer 1

Ability to do work; necessary for all living things

Question 2

Chemical potential energy

Answer 2

absorbed or released during a chemical reaction

Question 3

Enzymes

Answer 3

• Catalyze rxns by building and breaking Down
• can be reused
• bind to substrates
• sensitive to PH & temp

Question 4

2 types of rxns in energy

Answer 4

Exergonic (build) & endergonic (break)

Question 5

How do enzymes work?

Answer 5

Binding with substrates to speed up reactions

Question 6

What 2 things do chemical reactions have?

Answer 6

Reactants and products

Question 7

Chemical reaction

Answer 7

Change in molecular structure of a substance

Question 8

Reactants

Answer 8

a substance that takes part in and undergoes change during a reaction. Usually there from the start

Question 9

Product

Answer 9

substance that is formed when two or more chemicals react

Question 10

Activation energy

Answer 10

the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.

The hump in a graph.

Question 11

How do enzymes affect activation energy?

Answer 11

Enzymes lower activation energy

Question 12

Exergonic

characteristic & types

Answer 12

•more E in P than R
Hydrolysis
Cellular respiration

Question 13

Endergonic

Characteristic and types

Answer 13

•more E in R than P
Photosynthesis
Condensation

Question 14

Endergonic on a graph

Answer 14

Goes up
Reaction on bottom
Product on top

Question 15

Exergonic on a graph

Answer 15

Goes down
Reaction on top
Product on bottom

Question 16

Energy is required to join the P to ADP

Answer 16

Endergonic

Question 17

When the 3rd P group is broken off lots of E is released

Answer 17

Exergonic

Question 18

We recycle E in the cell by what?

Answer 18

ATP/ADP cycle

Question 19

Adenosine+ (P+P+P)

Answer 19

ATP

Question 20

adenosine + (P+P)

Answer 20

ADP

Question 21

ADP or ATP has more stored energy?

Answer 21

ATP