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Multiple Choice
Why does anaerobic respiration yield less energy than aerobic respiration?
A
Anaerobic respiration does not use oxygen, resulting in incomplete oxidation of glucose.
B
Anaerobic respiration produces more ATP per glucose molecule than aerobic respiration.
C
Anaerobic respiration uses oxygen, which limits the energy produced.
D
Anaerobic respiration occurs in the mitochondria, which is less efficient than the cytoplasm.
Verified step by step guidance
1
Understand the basic difference between aerobic and anaerobic respiration. Aerobic respiration uses oxygen to completely oxidize glucose, while anaerobic respiration does not use oxygen, leading to incomplete oxidation.
Recognize that the complete oxidation of glucose in aerobic respiration allows for the full release of energy stored in glucose, resulting in a higher yield of ATP.
In anaerobic respiration, the absence of oxygen means that glucose is only partially oxidized, which limits the amount of energy that can be extracted from each glucose molecule.
Identify the location where these processes occur: aerobic respiration primarily takes place in the mitochondria, which is highly efficient in energy production, whereas anaerobic respiration occurs in the cytoplasm.
Conclude that the efficiency of energy production in aerobic respiration is higher due to the complete oxidation of glucose and the efficient energy conversion in the mitochondria, compared to the less efficient anaerobic process in the cytoplasm.