Explain why animal cells need more mitochondria than plant cells?


Question: Explain why animal cells need more mitochondria than plant cells? 

Animal cells generally need more mitochondria than plant cells due to their higher energy demands. Animals rely on movement and complex behaviors, requiring more ATP (adenosine triphosphate), the energy currency of cells, produced by mitochondria. Animal cells constantly perform tasks like muscle contraction, nerve impulse transmission, and active transport, which are energy-intensive processes.


In contrast, plant cells also have mitochondria for ATP production, but they have an additional energy source: chloroplasts. Chloroplasts conduct photosynthesis, converting sunlight into chemical energy. Therefore, while both plant and animal cells have mitochondria, the higher energy needs of animal cells necessitate a greater number of mitochondria to sustain their activities.

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