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Chemiosmosis in Cellular Respiration

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Questions and Answers

What is the main purpose of the electron transport chain?

Create an electrochemical gradient leading to ATP synthesis (correct)

Generate NADH

Produce CO2

Convert FADH2 to NADH

Which protein complex in the electron transport chain pumps four hydrogen ions during its operation?

Complex I (correct)

Complex II

Complex IV

Complex III

What is the function of Complex II in the electron transport chain?

Receive NADH

Transfer electrons directly to Complex III (correct)

Pump hydrogen ions

Convert FADH2 to NADH

Which molecule is responsible for transferring electrons to Complex I in the electron transport chain?

NADH (D) Signup and view all the answers

What is a prosthetic group in the context of the electron transport chain?

A molecule required for the activity of a protein (C) Signup and view all the answers

Where does oxidative phosphorylation take place within the mitochondria?

Inner mitochondrial membrane (B) Signup and view all the answers

Which protein complex in the electron transport chain is labeled as Complex III?

Cytochrome c reductase (D) Signup and view all the answers

What is the role of cytochrome proteins in the electron transport chain?

Transfer electrons between complexes (B) Signup and view all the answers

What process leads to the creation of ATP in connection with the electron transport chain?

Oxidative phosphorylation (A) Signup and view all the answers

What establishes and maintains the hydrogen ion gradient between compartments in mitochondria?

Pumping of hydrogen ions (C) Signup and view all the answers