Multiple Choice
Which part of the ATP synthase complex is responsible for the transport of protons into the mitochondrial matrix during chemiosmosis?
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3. Energy & Cell Processes
Electron Transport Chain
Multiple Choice
Where are the complexes of the electron transport chain located?
A
In the outer mitochondrial membrane
B
In the cytoplasm
C
In the mitochondrial matrix
D
In the inner mitochondrial membrane
Verified step by step guidance1
Understand the structure of the mitochondrion: The mitochondrion has several compartments, including the outer membrane, inner membrane, intermembrane space, and the matrix.
Learn about the electron transport chain (ETC): The ETC is a series of protein complexes and other molecules that transfer electrons through a membrane within mitochondria to form a gradient of protons that drives the synthesis of ATP.
Identify the location of the ETC: The complexes of the electron transport chain are embedded in the inner mitochondrial membrane. This location is crucial for the function of the ETC as it allows the creation of a proton gradient across the membrane.
Explore the function of the inner mitochondrial membrane: The inner membrane is impermeable to ions, which is essential for maintaining the proton gradient necessary for ATP synthesis.
Review the role of the mitochondrial matrix: While the matrix is involved in other metabolic processes, such as the citric acid cycle, the electron transport chain complexes are not located here.
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