What does a surface area/volume ratio of 3: 1 mean for a cell’s ability to get materials across its membrane, compared to the cell with a ratio of 6: 1?

As compared to 6:1, the SV ratio is lower for cell with ration 3:1 and hence more will be the crossing of material across 6: 1 cell

Explanation:

Cell with surface area/volume ratio of 3:1  has lower permeability or "ability to get materials across  membrane" as compared to cell with surface area/volume ratio of 6:1 . The smaller the SV ratio, the smaller will be the surface area of the cell that allow absorption and transmittance of substance across a membrane and hence the permeability will be smaller for 3:1 S V cell.

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