Multiple Choice
What is the primary function of mitochondria in eukaryotic cells?
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11. Aerobic Respiration
Mitochondria
Multiple Choice
In eukaryotic cells, in which organelle does most cellular respiration (including the citric acid cycle and oxidative phosphorylation) occur?
A
Golgi apparatus
B
Ribosome
C
Mitochondrion
D
Lysosome
Verified step by step guidance1
Identify the organelle responsible for cellular respiration by recalling the main processes involved: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Understand that glycolysis occurs in the cytoplasm, but the citric acid cycle and oxidative phosphorylation take place inside a specific organelle.
Recall that the citric acid cycle (also known as the Krebs cycle) and oxidative phosphorylation occur in the mitochondrion, which is often called the powerhouse of the cell.
Recognize that other organelles listed, such as the Golgi apparatus, ribosome, and lysosome, have different primary functions unrelated to cellular respiration.
Conclude that the mitochondrion is the organelle where most cellular respiration, including the citric acid cycle and oxidative phosphorylation, occurs.
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