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In a multicellular organism, which type of cell would be expected to contain the greatest number of mitochondria per cell, and why?
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11. Aerobic Respiration
Mitochondria
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In eukaryotic cells, do both plant and animal cells contain mitochondria?
A
No; only plant cells contain mitochondria, while animal cells rely exclusively on cytosolic glycolysis.
B
No; only animal cells contain mitochondria, while plant cells rely exclusively on chloroplasts.
C
Yes; both plant and animal cells contain mitochondria for aerobic energy metabolism.
D
Yes; mitochondria are found only in prokaryotes and were later transferred to eukaryotes.
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Understand the role of mitochondria: Mitochondria are organelles responsible for aerobic energy metabolism, producing ATP through cellular respiration.
Recall that both plant and animal cells are eukaryotic cells, meaning they have membrane-bound organelles including mitochondria.
Recognize that plant cells contain both mitochondria and chloroplasts; chloroplasts perform photosynthesis, while mitochondria generate ATP from glucose.
Note that animal cells lack chloroplasts but still contain mitochondria to carry out aerobic respiration and produce energy.
Conclude that both plant and animal cells contain mitochondria, which are essential for their energy metabolism.
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