Diffusion in Agar Cubes – Bio 12

 

  1. In our testing, the most effective cube size was the smallest one.
  2. The smaller size cube allowed for the hydroxide to b dissolved better which made it the most effective. Also, it kept a large surface area for diffusion. The factors that affected how the materials diffuse into cells or tissues are surface area and volume. The best combination is high surface area and low volume.
  3. The bigger the surface area, the more volume it creates overall, which makes it hard to diffuse. The nucleus must need diffused material, and if materials are not adequately diffused, then it cannot reach the nucleus.
  4. Cube C would be the most effective for it has the highest surface area to volume ratio.
  5.  In our lungs, we have structures with little volume and a lot of surface area, which is one way our bodies adapt this efficiency of a high surface area to volume ratios.
  6. Because the surface area would become so little compared to its immense volume, it would not even be able to function, for diffusion would be inefficient.
  7. We being multicellular beings means that we can diffuse nutrients in more substantial quantities and more efficiently to monocellular beings.

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