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Question
Biology
Posted 8 months ago

What is the correct sequence of electron carriers in the electron transport chain (ETC)?
a. Cytochrome CQNADHO2\mathrm{C} \rightarrow \mathrm{Q} \rightarrow \mathrm{NADH} \rightarrow \mathrm{O} 2
b. QNADH\mathrm{Q} \rightarrow \mathrm{NADH} \rightarrow cytochrome CO2\mathrm{C} \rightarrow \mathrm{O} 2
c. NADH\mathrm{NADH} \rightarrow cytochrome cQO2\mathrm{c} \rightarrow \mathrm{Q} \rightarrow \mathrm{O} 2
d. NADHOO2\mathrm{NADH} \rightarrow \mathrm{O} \rightarrow \mathrm{O} 2 \rightarrow cytochrome C\mathrm{C}
e. NADHQ\mathrm{NADH} \rightarrow \mathrm{Q} \rightarrow cytochrome CO2\mathrm{C} \rightarrow \mathrm{O} 2
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Answer from Sia
Posted 8 months ago
E
Key Concept
Sequence of Electron Carriers in ETC
Explanation
In the electron transport chain, electrons are transferred from NADH to the electron carrier ubiquinone (Q), then to cytochrome c, and finally to oxygen (O2), which is the final electron acceptor.

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