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When a cell's volume becomes too great for the surface area to maintain the cell will?
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Explain why most cells are small?
It has to do with the surface area to volume ratio. The cell interacts with its environment at the cell surface. If a cells volume is too large the surface area isn't sufficient to exchange the necessary oxygen/nutrients/wastes to maintain the functions of a cell.
What happens the surface to volume ratio when the cell becomes larger?
When cells get smaller, the volume (as well as mass) decreases faster than the surface area so the surface:volume increases. Cells with a high surface:volume are more effective in receiving nutrients through diffusion. A cell (assume perfect sphere) with radius 2 has a surface area of 16pi and volume of 32pi/3. A cell with radius 3 has a surface area of 36pi and volume of 108pi/3. Also relatively speaking, volume can be thought of as y=x3 and surface area as y=x2. When there is a change in x, the change is more dramatic in the volume, so small cells have high ratios and large cells have low ratios.
Which statements about the ratio of cell surface area to cell volume is are correct?
Larger cells will have a greater surface area-to-volume.
Cells are limited in size by their surface Ares and what else?
Cell size is limited by volume.Surface area to volume ratio (surface area / volume)Nucleo-cytoplasmic ratioFragility of cell membraneMechanical structures necessary to hold the cell together (and the contents of the cell in place)
Why are groups of a small cells better than one large cell at moving material in and out?
they have a greater surface-to-volume ratio
When and why a cell divides?
cells divide to maintain perfect surface/volume ratio of the body of an organism.
Why is a cell's size limited?
because the diffusion of a cell. and the volume surface area of the cell.
Explain why most cells are small?
It has to do with the surface area to volume ratio. The cell interacts with its environment at the cell surface. If a cells volume is too large the surface area isn't sufficient to exchange the necessary oxygen/nutrients/wastes to maintain the functions of a cell.
What is ratio of surface area to volume?
surface area/ volume. wider range of surface area to volume is better for cells.
Why would a group of small cells help an organism maintain homeostasis better than one large cell?
The group of small cells would have a greater surface area-to-volume ratio, so are able to exchange materials with their surroundings more efficiently.
What is the surface area to volume ratio?
surface area/ volume. wider range of surface area to volume is better for cells.
What happens the surface to volume ratio when the cell becomes larger?
When cells get smaller, the volume (as well as mass) decreases faster than the surface area so the surface:volume increases. Cells with a high surface:volume are more effective in receiving nutrients through diffusion. A cell (assume perfect sphere) with radius 2 has a surface area of 16pi and volume of 32pi/3. A cell with radius 3 has a surface area of 36pi and volume of 108pi/3. Also relatively speaking, volume can be thought of as y=x3 and surface area as y=x2. When there is a change in x, the change is more dramatic in the volume, so small cells have high ratios and large cells have low ratios.
Which statements about the ratio of cell surface area to cell volume is are correct?
Larger cells will have a greater surface area-to-volume.
Cells are of small size because of consideration of?
Cells are of a small size because of consideration of the proportional relationship between surface area and volume. The size of cells also becomes a benefit when considering the rate at which cells die and are being replaced.
How do you compare the surface are to volume ratio of cells of different size?
You need to:* Calculate the surface area * Calculate the volume * Divide the surface area by the volume
Why is it helpful for cells to divide?
The larger a cell becomes, the more demands it places on its DNA . It also becomes more difficult for the cell to move nutrients and oxygen in, and waste products out. The ratio of surface area to volume becomes too small.
Cells are limited in size by their surface Ares and what else?
Cell size is limited by volume.Surface area to volume ratio (surface area / volume)Nucleo-cytoplasmic ratioFragility of cell membraneMechanical structures necessary to hold the cell together (and the contents of the cell in place)
