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decomposition of glucose to pyruvate


2 ATP are added, 2 NADH are produced


4 ATP produced, 2 pyruvate are formed

Krebs Cycle

Pyruvate to accetly CoA

Krebs Cycle


Krebs Cycle

1 ATP, CO2

Oxidative Phosphorylation

the process of extracting ATP from NADH and FADH2.

Oxidative Phosphorylation

Electrons from NADH and FADH2 pass along an electron transport chain


The final electron acceptor of the electron transport chain, the .5 O2 accepts the electron and together with H2 forms water


where two major processes of aerobic respiration, the Krebs cycle and oxidative phosphorylation occurs

Outer membrane

consist of a double layer of phospholipids

Intermembrane space

this is the narrow area between the inner and outer membranes. H+ ions accumulate here

Inner membrane

oxidative phosphorylation occurs here

ATP synthase

phosphorylation of ADP to form ATP in oxidative phosphorylation


fluid material the fills the are inside the inner membrane


the mechanism of ATP generation that occurs when enegy is stored in the form of a proton concentration gradient across a membrane

Substrate level phosphorylation

when a phosphate group and its associated energy is transfered to ADP to form ATP with a phosphate group

Oxidative phosphorylation

when a phosphate group and its associated energy is transfered to ADP to form ATP without a phosphate group

Anaerobic Respiration

NADH accumulates, Krebs Cycle and glycolysis both stop

Alcohol fermentation

Pyruvate to acetaldehyde to Ethanol, 1 CO2 produced, 1 NAD+ released

Lactic Acid Fermentation

pyruvate to lactate; NADH gives up its electrons to form NAD+

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