Question

Three gel cubes similar to those from the previous

screens have been placed in a colored solution that

seeps into the gel much like nutrients enter a cell.

Use the slider to see how the solution affected the

gel cubes after some period of time.

2. How does this model support the conclusion that

cells need to have a high amount of surface area

relative to their total volume?

Answer 1

Answer:

These gel cubes can be thought of as representing individual cells. As the cubes interact with their surroundings based on the amount of surface area and volume they have, the efficiency movement of substances in and out of cells depends on the two attributes as well. Greater surface area will mean more efficient rates of diffusion, which implies a smaller surface area to volume ratio is ideal for a biological cell.

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Answer 2

After some period the gel cubes will become Turgid

The higher the surface area the more efficient The diffusion rate

When The gel cubes are placed inside a colored solution the solution will start seeping into the gel cubes as the gel cubes continues to remain in the colored solution. Hence the gel cubes will become Turgid after some period of time.

The surface area to volume ratio plays a major role in the rate of diffusion of solvents inside the gel cubes ( cell ). Therefore the higher the surface area to volume ratio, the more efficient diffusion rate the cells would have.

Hence we can conclude that After some period the gel cubes will become Turgid The higher the surface area the more efficient The diffusion rate

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