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What process occurs in cells when blood flow and oxygen are interrupted, leading to energy production in the absence of oxygen?
A
Anaerobic respiration
B
Photosynthesis
C
Oxidative phosphorylation
D
Aerobic respiration
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Understand the context: When blood flow and oxygen are interrupted, cells cannot rely on oxygen-dependent processes like aerobic respiration or oxidative phosphorylation to produce energy.
Recall the definition of anaerobic respiration: It is a process by which cells generate energy in the absence of oxygen, typically through glycolysis followed by fermentation.
Compare the options: Photosynthesis is a process used by plants to convert light energy into chemical energy, which is unrelated to energy production in animal cells under oxygen-deprived conditions.
Eliminate oxidative phosphorylation and aerobic respiration: Both require oxygen to function, making them unsuitable for energy production when oxygen is unavailable.
Conclude that anaerobic respiration is the correct process: It allows cells to produce ATP through glycolysis and fermentation, ensuring survival during oxygen deprivation.