Which Is the Key Difference Between Aerobic and Anaerobic Respiratory

question 56

Multiple Choice

Which is the key difference between aerobic and anaerobic respiratory chains?

• A) Aerobic respiratory chains that accept electrons depend on membrane- associated electron carrier molecules that carry out redox reactions while anaerobic chains use cytoplasm- associated molecules that carry out redox reactions.
• B) Aerobic respiratory chains always use oxygen as the final electron acceptor while anaerobic respiratory chains may use a variety of inorganic substances other than oxygen as the final electron acceptor.
• C) Aerobic respiratory chains are organized so that electrons are passing from a higher to lower energy state while anaerobic chains are organized so that electrons are passing from a lower to a higher energy state.
• D) Aerobic respiratory chains accept electrons from both NADH and FADH₂ while anaerobic chains only accept electrons from FADH₂.
• E) Aerobic respiratory chains are found in prokaryotic cells only while anaerobic chains are found in eukaryotic cells only.

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