Multiple Choice
What is the final electron acceptor during aerobic respiration in the electron transport chain?
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8. Respiration
Electron Transport Chain
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Where does oxidative phosphorylation primarily take place in eukaryotic cells?
A
On the inner mitochondrial membrane
B
On the outer mitochondrial membrane
C
In the mitochondrial matrix
D
In the cytoplasm
Verified step by step guidance1
Understand the process of oxidative phosphorylation: It is the final stage of cellular respiration, where ATP is produced using energy derived from electrons transferred through the electron transport chain.
Identify the location of the electron transport chain: In eukaryotic cells, the electron transport chain is located on the inner mitochondrial membrane.
Recognize the role of the inner mitochondrial membrane: This membrane contains the protein complexes and ATP synthase necessary for the electron transport chain and chemiosmosis, which are crucial for oxidative phosphorylation.
Differentiate between the inner and outer mitochondrial membranes: The outer membrane is more permeable and does not contain the components needed for oxidative phosphorylation, unlike the inner membrane.
Conclude that oxidative phosphorylation primarily takes place on the inner mitochondrial membrane, as it houses the necessary components for the process.
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