Question

1. Compare and Contrast: Summarize your observations of the distance traveled by the food coloring in the four cells.
2. Analyze Results: Did the cell size affect the extent of diffusion of food coloring into the cells?
3. Infer: Do the cells have the same surface area to volume ratio? How might the surface area to volume ratio affect the ability of a cell to take in and use nutrients from its environment?
4. Apply Concepts: Which cell would be able to supply itself most efficiently with nutrients diffusing in from the outside—a large cell or a small cell? Why?

Answer 1

Answer:

1. We will incubate all cells in the same food coloring solution for the same length of time because the reason is that we can achieve the results which are accurate by this method otherwise there will be error and we cannot get accurate results. Therefore, we incubate all cells in the same food coloring solution.

2.When the cell increases in size, the volume increases faster than the surface area, because volume is cubed where surface area is squared. When there is more volume and less surface area, diffusion takes longer and is less effective.

3.The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

4.The cells with the small size have the surface area and volume that are proportional to each other such that this aids with the efficiency of the cell's absorption of nutrients and defecation process of the wastes. Hence, the small dimensions of cells is more efficient than the large ones.

Explanation:

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