Cellular Respiration: Electron Transport Chain and Chemiosmosis

Flashcards based on the key concepts of the Electron Transport Chain, Chemiosmosis, and regulation of aerobic respiration.

The Electron Transport Chain (ETC) is a series of __ found on the inner mitochondrial membrane.

proteins

Oxygen is the __ attractor of electrons in the Electron Transport Chain.

strongest

The energy released as electrons cascade through the ETC is used to move __ into the intermembrane space.

H+

A strong electrochemical gradient is created in the intermembrane space to power the production of __.

ATP

Chemiosmosis involves protons passing through protein channels linked to __ to generate ATP.

ATP synthase

Each NADH entering the ETC can produce __ ATP.

3

Each FADH2 entering the ETC can produce __ ATP.

2

In the Krebs cycle, 6 NADH can yield a total of __ ATP.

18

Regulation of aerobic respiration is controlled by feedback inhibition and __ activation loops.

product

Fructose 6-phosphate activates __ in the glycolysis pathway.

phosphofructokinase

Citrate inhibits the __ cycle.

Krebs

The theoretical total yield of ATP from glycolysis through oxidative phosphorylation is __ ATP.

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