Question

Describe the molecular make-up of the components of typical electron transport chains. What are they made...

Describe the molecular make-up of the components of typical electron transport chains. What are they made of and how do you expect them to behave and interact with the molecules they encounter?

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Answer #1

Answer:

Components of electron transport chains are:

1) Enzyme Complex I / NADH dehydrogenase (this complex accepts electrons from NADH and oxidizes NADH by CoQ).

2) Enzyme Complex II / Succinate dehydrogease (this complex performs dual function in mitochondria. It is involved in the oxidation of succinate to fumarate and donate electrons from FADH2 to reduce ubiquinone to ubiquinol).

3) Enzyme Complex III / Cytochrome b-C1 (this complex consists of iron-sulfur proteins, cytochrome b and cytochrome C1)

4) Enzyme Complex IV / Cytochrome C oxidase (this complex consists of cytochrome a and cytochrome a3)

5) Complex V / ATP synthase

Many of these components are proteins that contain prosthetic groups.

Carriers that participate in Electron transport chain include: Cytochromes, NAD, Flavoproteins, Conezyme Q and Iron-sulfur proteins.

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