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Cellular Respiration Video

Feb 04, 2016

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Cellular Respiration Video. Fig. 9-6-3. Electrons carried via NADH and FADH 2. Electrons carried via NADH. Oxidative phosphorylation: electron transport and chemiosmosis. Citric acid cycle. Glycolysis. Pyruvate. Glucose. Mitochondrion. Cytosol. ATP. ATP. ATP. - PowerPoint PPT Presentation
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Page 1: Cellular Respiration Video

Cellular Respiration Video

Page 2: Cellular Respiration Video

Fig. 9-6-3

Mitochondrion

Substrate-levelphosphorylation

ATP

Cytosol

Glucose Pyruvate

Glycolysis

Electronscarried

via NADH

Substrate-levelphosphorylation

ATP

Electrons carriedvia NADH and

FADH2

Oxidativephosphorylation

ATP

Citricacidcycle

Oxidativephosphorylation:electron transport

andchemiosmosis

Page 3: Cellular Respiration Video

Fig. 9-8

Energy investment phase

Glucose

2 ADP + 2 P 2 ATP used

formed4 ATP

Energy payoff phase

4 ADP + 4 P

2 NAD+ + 4 e– + 4 H+ 2 NADH + 2 H+

2 Pyruvate + 2 H2O

2 Pyruvate + 2 H2OGlucoseNet

4 ATP formed – 2 ATP used 2 ATP

2 NAD+ + 4 e– + 4 H+ 2 NADH + 2 H+

Page 4: Cellular Respiration Video

Fig. 9-9-4

Glucose

ATP

ADP

Hexokinase

Glucose-6-phosphate

Phosphoglucoisomerase

Fructose-6-phosphate

ATP

ADP

Phosphofructokinase

Fructose-1, 6-bisphosphate

Aldolase

Isomerase

Dihydroxyacetonephosphate

Glyceraldehyde-3-phosphate

1

2

3

4

5

Aldolase

Isomerase

Fructose-1, 6-bisphosphate

Dihydroxyacetone

phosphate

Glyceraldehyde-

3-phosphate

4

5

Page 5: Cellular Respiration Video

Fig. 9-9-9

Triose phosphatedehydrogenase

2 NAD+

NADH2

2

2

2

2

2

2 ADP

2 ATP

Pyruvate

Pyruvate kinase

Phosphoenolpyruvate

Enolase2 H2O

2-Phosphoglycerate

Phosphoglyceromutase

3-Phosphoglycerate

Phosphoglycerokinase

2 ATP

2 ADP

1, 3-Bisphosphoglycerate

+ 2 H+

6

7

8

9

10

2

2 ADP

2 ATP

Phosphoenolpyruvate

Pyruvate kinase

2 Pyruvate

10

2 P i

Page 6: Cellular Respiration Video

Fig. 9-11

Pyruvate

NAD+

NADH

+ H+Acetyl CoA

CO2

CoA

CoA

CoA

Citricacidcycle

FADH2

FAD

CO22

3

3 NAD+

+ 3 H+

ADP + P i

ATP

NADH

Page 7: Cellular Respiration Video

Fig. 9-12-8

Acetyl CoA

CoA—SH

Citrate

H2O

IsocitrateNAD+

NADH+ H+

CO2

-Keto-glutarate

CoA—SH

CO2NAD+

NADH+ H+Succinyl

CoA

CoA—SH

P i

GTP GDP

ADP

ATP

SuccinateFAD

FADH2

Fumarate

CitricacidcycleH2O

Malate

Oxaloacetate

NADH+H+

NAD+

1

2

3

4

5

6

7

8

Page 8: Cellular Respiration Video

Fig. 9-13

NADH

NAD+2FADH2

2 FADMultiproteincomplexesFAD

Fe•S

FMN

Fe•S

Q

Fe•S

Cyt b

Cyt c1

Cyt c

Cyt a

Cyt a3

IV

Free

ene

rgy

( G) r

elati

ve t o

O2 (

kcal

/mol

)

50

40

30

20

10 2(from NADHor FADH2)

0 2 H+ + 1/2 O2

H2O

e–

e–

e–

Page 9: Cellular Respiration Video

Fig. 9-16

Protein complexof electroncarriers

H+

H+H+

Cyt c

Q

V

FADH2 FAD

NAD+NADH

(carrying electronsfrom food)

Electron transport chain

2 H+ + 1/2O2 H2O

ADP + P i

Chemiosmosis

Oxidative phosphorylation

H+

H+

ATP synthase

ATP

21

Page 10: Cellular Respiration Video

Fig. 9-20Proteins Carbohydrates

Aminoacids

Sugars

Fats

Glycerol Fattyacids

Glycolysis

Glucose

Glyceraldehyde-3-

Pyruvate

P

NH3

Acetyl CoA

Citricacidcycle

Oxidativephosphorylation

Page 11: Cellular Respiration Video

Fig. 9-21Glucose

GlycolysisFructose-6-phosphate

Phosphofructokinase

Fructose-1,6-bisphosphateInhibits

AMP

Stimulates

Inhibits

Pyruvate

CitrateAcetyl CoA

Citricacidcycle

Oxidativephosphorylation

ATP

+

––