Cellular Respiration Quiz Review

Question 1

biochemical pathway

Answer 1

series of reactions in which the products of one pathway become the reactants of another pathway

Question 2

cellular respiration

Answer 2

a biochemical pathway that allows organisms to break down glucose to provide energy as ATP for the cell

Question 3

ATP synthase

Answer 3

a protein/enzyme that synthesizes ATP

Question 4

aerobic

Answer 4

uses oxygen

Question 5

anaerobic

Answer 5

no oxygen

Question 6

What three high-energy molecules are released from the Krebs Cycle?

Answer 6

ATP used for immediate energy, NADH goes to ETC, and FADH2 also goes to ETC

Question 7

What are the products of LA fermentation?

Answer 7

Lactic acid and NAD+

Question 8

What are the products of Alcoholic fermentation?

Answer 8

Alcohol, Carbon dioxide, and NAD+

Question 9

What organisms perform LA fermentation?

Answer 9

most bacteria and other microorganisms, plants, animals, and most fungi

Question 10

What organism performs Alcoholic fermentation?

Answer 10

yeast (a group of fungi)

Question 11

How much ATP is generated from Alcoholic fermentation?

Answer 11

2

Question 12

How much ATP does aerobic respiration create?

Answer 12

36

Question 13

How much ATP does anaerobic respiration create?

Answer 13

2

Question 14

What does glycolysis produce?

Answer 14

ATP, NADH, and 2 pyruvic acids

Question 15

What does the Krebs Cycle produce?

Answer 15

CO2, 2 ATP, and the reactants for the ETC which are 8 NADH and 2 FADH2

Question 16

How much ATP does the ETC produce?

Answer 16

32

Question 17

Where does the Krebs Cycle happen?

Answer 17

matrix of the mitochondria

Question 18

What part of aerobic respiration produces water?

Answer 18

ETC

Question 19

How much ATP is generated from LA fermentation?

Answer 19

2

Question 20

Where does the ETC take place?

Answer 20

inner membrane of the mitochondria

Question 21

Where does glycolysis take place?

Answer 21

cytosol/cytoplasm of the cell

Question 22

What are the two places NADH could come from?

Answer 22

glycolysis or Krebs Cycle

Question 23

What does NADH do with the electrons it carries?

Answer 23

take them to the ETC to make a lot of ATP

Question 24

What can NADH do if there is not enough oxygen or ATP is needed quickly?

Answer 24

convert to NAD+ through either kind of fermentation

Question 25

What produces no ATP?

Answer 25

fermentation

Question 26

What takes place without oxygen?

Answer 26

glycolysis, krebs cycle, and fermenation

Question 27

Where is oxygen used directly to remove low energy electrons?

Answer 27

ETC

Question 28

What pathways does yeast carry out to generate energy and produces alcohol and carbon dioxide as byproducts?

Answer 28

glycolysis and fermentation