Textbook Question
In which of the following is the first molecule becoming reduced to the second molecule?
a. Pyruvate → acetylCoA
b. Pyruvate → lactate
c. Glucose → pyruvate
d. NADH + H+ →NAD+ + 2H
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8. Respiration
Fermentation & Anaerobic Respiration
Multiple Choice
What is the main difference between aerobic respiration and anaerobic respiration?
A
Anaerobic respiration produces more ATP than aerobic respiration.
B
Anaerobic respiration uses carbon dioxide as the final electron acceptor.
C
Aerobic respiration occurs only in plants, while anaerobic respiration occurs only in animals.
D
Aerobic respiration requires oxygen, while anaerobic respiration does not.
Verified step by step guidance1
Begin by understanding the basic definitions: Aerobic respiration is a process that requires oxygen to produce energy, while anaerobic respiration does not require oxygen.
Consider the role of oxygen: In aerobic respiration, oxygen acts as the final electron acceptor in the electron transport chain, allowing for the production of ATP.
Compare ATP production: Aerobic respiration typically produces more ATP compared to anaerobic respiration due to the complete oxidation of glucose.
Identify the environments: Aerobic respiration occurs in environments where oxygen is present, whereas anaerobic respiration occurs in environments lacking oxygen.
Clarify the misconception: The statement that anaerobic respiration produces more ATP than aerobic respiration is incorrect; aerobic respiration is more efficient in ATP production.
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