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Surface Area-to-Volume Ratio
Grade Level
AP Biology
APB.121 Surface Area-to-Volume Ratio
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Which statement best identifies a limitation of using surface area-to-volume ratio alone to predict exchange in living cells?
A
SA:V ratio is useless because surface area and volume cannot be measured.
B
Membrane permeability, transporter density, metabolic rate, and internal diffusion distances can also affect exchange.
C
Only SA:V ratio matters; membrane proteins and metabolism cannot affect exchange.
D
SA:V ratio applies only to nonliving cubes and never to biological cells.
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