Glycolysis in cytoplasm

glucose 6C

ADP+Pi

ATP

pyruvic acid

3C

NADH2NADH2

ADP+Pi

ATP

NAD

pyruvic acid

3C

H2

NAD

H2

Citric Acid Cycle

CO2

1C acetyl (2C)co-enzyme A

oxaloacetic acid

4C

2CO2

2 x 1C

Kreb’s cycle

in matrix of mitochondrion

pyruvic acid

3C

NAD

NADH2

4NADH2

4NAD

4H2

H2

citric acid 6C

Cytochrome System

oxygen

ATP ATPATP

water

on cristae of mitochondrion

=cytochromeThis process happens once for each of the 12XH2 produced from 1 molecule of glucose

H2 H2 H2 H2NADH2

NAD

Other Respiratory Substrates

fats

fatty acids

+ glycerolacetyl 2C co-enzyme A

pyruvic acid

to Kreb’s cycle

proteins

amino acids

( some)

acetyl 2C co-enzyme A

to Kreb’s cycle

pyruvic acid

HomeworkE class – Due Monday 21st Nov

C class – Due …

Respiration and

enzymes

2007 A 1-6 B2

2008 A 1-4    2009 A 1-6 B4  2010 A 1-5 B2