A cell has a surface area of 32 um and a volume
of 8 um. A different cell has a surface area of
36 um and a volume of 12 um. What is the ratio
of surface area to volume for the cell that is
predicted to exchange materials with the
surrounding environment at a faster rate by
diffusion? Enter your answer as a fraction or a
whole number.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.