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Multiple Choice
Which of the following factors primarily limits the size of a cell?
A
Presence of a cell wall
B
Surface area to volume ratio
C
Number of mitochondria
D
Amount of DNA
Verified step by step guidance
1
Understand that the size of a cell is limited by its ability to efficiently exchange materials with its environment.
Recognize that as a cell grows, its volume increases faster than its surface area, affecting the cell's ability to transport nutrients and waste.
The surface area to volume ratio is crucial because it determines how much surface area is available to serve the volume of the cell.
A high surface area to volume ratio is favorable for cells because it allows for more efficient exchange of materials.
Therefore, the primary factor that limits the size of a cell is the surface area to volume ratio, as it impacts the cell's efficiency in exchanging materials with its environment.