Multiple Choice
Which of the following organisms are eukaryotes?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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What factor can limit the size of a cell?
A
Number of mitochondria
B
Surface area to volume ratio
C
Amount of DNA
D
Presence of a cell wall
Verified step by step guidance1
Understand that the size of a cell is limited by its ability to efficiently exchange materials with its environment. This is primarily determined by the surface area to volume ratio.
Recognize that as a cell grows, its volume increases faster than its surface area, leading to a decreased surface area to volume ratio.
A decreased surface area to volume ratio means that the cell membrane has less area to facilitate the exchange of nutrients, waste, and gases relative to the cell's volume.
Consider that a cell with a low surface area to volume ratio may struggle to maintain homeostasis, as it cannot efficiently transport materials in and out of the cell.
Conclude that the surface area to volume ratio is a critical factor that limits cell size, as it impacts the cell's ability to sustain necessary metabolic functions.
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