Cellular Respiration

Question 1

direct products of citric acid cycle

these then donate their posphate to 2 ADP to form 2 ATP and regenerate the original 2 GDP

Answer 1

2 GTP

Question 2

two types of anaerobic cellular respiration

Answer 2

glycolysis

fermentation

Question 3

2 types of aerobic respiration

Answer 3

citric acid cycle

electron transport chain / oxidative phosphorylation

Question 4

starting materials of glycolysis

Answer 4

2 ATP, 4 ADP, 2 NAD+, 2 Pi

Question 5

products of glycolysis

Answer 5

2 Pyruvate
2 ADP
4 ATP
2 NADH
2 H+
2H20

Question 6

Net number of ATP produced during Glycolysis

Answer 6

2 ATP

Question 7

Where does glycolysis lead when not in the presence of O2?

Answer 7

lactic acid fermentation

Question 8

reactants of lactic acid fermentation

Answer 8

Pyruvate
NADH
H+

Question 9

Where does glycolysis take place?

Answer 9

cytoplasm

Question 10

where does lactic acid fermentation take place?

Answer 10

cytoplasm

Question 11

what are the products of lactic acid fermentation?

Answer 11

ethanol (yeast)
CO2
Lactic Acid (muscle cells)
NAD+

Question 12

where does glycolysis lead in the presence of O2?

Answer 12

pyruvate decarboxylation

*Links glycolysis to citric acid cycle

Question 13

reactants of pyruvate decarboxylation?

Answer 13

2 pyruvate
2 Coenzyme A
2 NAD+

Question 14

products of pyruvate decarboxylation

Answer 14

2 acetyl CoA
2 CO2
2 NADH

Question 15

where does pyruvate decarboxylation occur?

Answer 15

mitochondrial matrix

Question 16

where does citric acid cycle take place?

Answer 16

mitochondrial matrix

Question 17

reactants of citric acid cycle?

Answer 17

2 acetyl CoA
6 NAD+
2 FAD
2 ADP
4 H2O
2 Pi

Question 18

products of citric acid cycle

Answer 18

4 CO2
6NADH
2FADH2
2 ATP
4 H+
2 Coenzyme A

Question 19

what is the net ATP output of pyruvate decarboxylation?

Answer 19

-2 ATP; transport of high-energy electrons from cytoplasmic NADH across the MADH-impermeable mitochondrial membrane uses 1 ATP and 1 NADH

Question 20

what is the net output of the citric acid cycle?

Answer 20

2 ATP

Question 21

what process in aerobic respiration follows the citric acid cycle?

Answer 21

oxidative phosphorylation / electron transport chain

Question 22

reactants of oxidative phosphorylation / ETC

Answer 22

10 NADH total
2 FADH2
34 ADP
34 Pi
10 H+
5 O2

Question 23

products of oxidative phosphorylation / ETC?

Answer 23

10 NAD+
2 FAD
34 ATP
(3 ATP / NADH, 2 ATP/FADH2)
10 H2O

Question 24

what is the net ATP output for Oxidative phosphorylation / ETC?

Answer 24

34 ATP

Question 25

what is the net ATP output for all cellular respiration (anaerobic and aerobic)

Answer 25

36 ATP

34 from ETC, 2 from citric acid cycle; 2 from Glycolysis used up in pryuvate decarboxylation

Question 26

type of glucose catabolism
occurs in anaerobic conditions
pyruvate is converted into lactic acid (in muscle) or ethanol (in yeast)

Answer 26

fermentation

Question 27

type of glucose catabolism

pyruvate converted to acetyl CoA in the mitochondrial matrix

Answer 27

pyruvate decarboxylation

Question 28

type of glucose catabolism
acetyl CoA enters
NADH, FADH2, and CO2 produced

Answer 28

citric acid cycle

Question 29

type of glucose catabolism
coenzymes are oxidized
energy is released as electrons are transferred from carrier to carrier
O2 is final electron acceptor

Answer 29

electron transport chain

Question 30

type of glucose catabolism
electrochemical gradient caused by NADH and FADH2 oxidation provides energy for ATP synthase to phosphorylate ADP into ATP

Answer 30

oxidative phosphorylation