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Multiple Choice
Red blood cells do not contain mitochondria. How do red blood cells generate most of their ATP?
A
Through oxidative phosphorylation
B
Through the Calvin cycle
C
Through glycolysis
D
Through the citric acid cycle
Verified step by step guidance
1
Understand that red blood cells lack mitochondria, which means they cannot perform processes that require these organelles, such as oxidative phosphorylation and the citric acid cycle.
Recognize that the Calvin cycle is part of photosynthesis, which occurs in plants, not in human red blood cells.
Identify glycolysis as the metabolic pathway that occurs in the cytoplasm and does not require mitochondria, making it suitable for ATP production in red blood cells.
Recall that glycolysis is the process of breaking down glucose into pyruvate, yielding ATP and NADH in the absence of oxygen.
Conclude that red blood cells generate most of their ATP through glycolysis, as it is the only pathway available to them without mitochondria.