The 1cm x 1cm x 1cm cube was the one that had a diffusion percentage of 100% with our test as it was the one cube that turned pink all the way through.
It was the smallest size, so because there was less agar that the NaOH had to go through to produce the pink colour it was able to turn the entire cube pink within the amount of time. the important factors that affect how materials diffuse into cells and tissues are the size of the tissue or cell. Along with the size, the type of material, temperature, and concentration affect how materials diffuse into cells and tissue.
The larger surface area allows the cell to diffuse better due to the fact that cell is in more contact with whatever material is being diffused into the cell, but if the cell grew then the volume would increase and the ratio of surface area to volume would decrease which would lower the effect of the diffusion as it would take much longer to get a percent diffusion of 100%.
According to the data we recorded a higher surface area to volume ratio is more effective at maximizing diffusion, so because of that the 4:1 ratio would be the most effective. This means that the surface area is higher that the volume.
To help exchange gases our body adapts the shape off the cells to make them have a decrease in volume and an increase in surface area. For example, our lungs expand so that we have take in oxygen and then let out carbon dioxide.
Once surface area increases the volume will be small to maintain efficiency. So, if the size of cells increased it would no longer be efficient and diffusion could not happen throughout the entire cell.
Multicellular organisms which are animal and plant cells can have a larger surface area to volume ratio. They can have special features that include gas exchange, our lungs, and circulatory system, our blood. These features help and speed up the movement of materials into and out of an organism.
