Multiple Choice
In the context of mitochondria, why do some cells (e.g., skeletal muscle cells) contain more mitochondria than others (e.g., some resting connective tissue cells)?
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11. Aerobic Respiration
Mitochondria
Multiple Choice
In eukaryotic cells, what is the primary function of mitochondria?
A
Generate ATP through oxidative phosphorylation during cellular respiration
B
Package and sort proteins for secretion via the endomembrane system
C
Synthesize proteins by translating mRNA on cytosolic ribosomes
D
Store and protect the cell's nuclear DNA as chromatin
Verified step by step guidance1
Identify the main roles of the organelles mentioned in the options to understand their functions in eukaryotic cells.
Recall that mitochondria are known as the 'powerhouses' of the cell because they produce energy in the form of ATP.
Understand that mitochondria generate ATP through a process called oxidative phosphorylation, which is part of cellular respiration.
Differentiate this function from other organelles: the endomembrane system packages and sorts proteins, ribosomes synthesize proteins, and the nucleus stores DNA.
Conclude that the primary function of mitochondria is to generate ATP through oxidative phosphorylation during cellular respiration.
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