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Why must the electron transport chain proteins and molecules be embedded in a membrane?
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3. Energy & Cell Processes
Electron Transport Chain
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What is the primary function of the electron transport chain in cellular respiration?
A
To convert pyruvate into acetyl-CoA
B
To synthesize glucose from carbon dioxide and water
C
To produce ATP by transferring electrons through a series of proteins
D
To break down glucose into pyruvate
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Begin by understanding the context of cellular respiration, which is the process by which cells generate energy in the form of ATP.
Recognize that the electron transport chain is the final stage of cellular respiration, occurring in the inner mitochondrial membrane.
Identify the primary function of the electron transport chain: it transfers electrons through a series of proteins and complexes.
Understand that as electrons move through these proteins, protons are pumped across the membrane, creating a proton gradient.
Finally, realize that this proton gradient drives ATP synthesis by ATP synthase, producing ATP from ADP and inorganic phosphate.
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