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Electron Transport Chain Quiz

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Questions and Answers

Where is the location of the Electron Transport Chain (ETC)?

Inner membrane space of the mitochondria (correct)

Cytoplasm

Outer membrane space of the mitochondria

Nucleus

What is the actual driving force used to power ATP synthase in the Electron Transport Chain?

Electron motive force

Hydrogen motive force

ATP motive force

Proton motive force (correct)

What is the function of ATP synthase in the Electron Transport Chain?

ATP synthase transports electrons through the ETC

ATP synthase produces NADH and FADH2

ATP synthase’s spinning generates energy which combines ADP and Pi, producing ATP (correct)

ATP synthase breaks down ATP to release energy

How many ATPs are produced by NADH in the Electron Transport Chain?

3 Signup and view all the answers

What is the primary driving force used to power ATP synthase in the Electron Transport Chain?

Electrochemical gradient caused by the accumulation of protons Signup and view all the answers

Why does FADH2 produce 1 less ATP than NADH in the Electron Transport Chain?

The glycerol-3-phosphate shuttle system carries the electrons to FADH2, whereas the malate-aspartate system carries them to NADH Signup and view all the answers

Where does the Electron Transport Chain (ETC) take place?

Inner membrane space of the mitochondria Signup and view all the answers

How many ATPs are produced by NADH in the Electron Transport Chain?

3 Signup and view all the answers

What is the function of ATP synthase in the Electron Transport Chain?

Generating ATP by combining ADP and Pi Signup and view all the answers

Why does FADH2 produce 1 less ATP than NADH in the Electron Transport Chain?

Electrons are carried to FADH2 by the glycerol-3-phosphate shuttle system Signup and view all the answers

Study Notes

Electron Transport Chain (ETC) Location

The Electron Transport Chain (ETC) takes place in the mitochondrial inner membrane.

Driving Force of ATP Synthase

The primary driving force used to power ATP synthase in the Electron Transport Chain is the proton gradient.

Function of ATP Synthase

The function of ATP synthase in the Electron Transport Chain is to generate ATP from ADP and Pi.

ATP Production by NADH and FADH2

NADH produces 2.5-3 ATP in the Electron Transport Chain.
FADH2 produces 1.5-2 ATP in the Electron Transport Chain, 1 less than NADH, due to the difference in the energy released during the electron transport process.

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Description

Test your knowledge of the electron transport chain with this quiz. Explore the actual driving force used to power ATP synthase and the location of the ETC. Challenge yourself to understand how electrons flow through the ETC to produce ATP.