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As a cell's size increases, more of its cytoplasm grows farther from the cell membrane. Once a molecule enters a cell, it is carried to its destination by a stream of moving cytoplasm, somewhat like the way currents in a river move a raft. But in a very large cell, the streams of cytoplasm must travel farther to bring materials to all parts of the cell. It would take much longer for a molecule to reach the center on a very large cell than it would a small cell. Likewise, it would take a long time for wastes to be removed. If a cell was too large, it would not be able to function correctly for it to survive.
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∙ 13y ago
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∙ 10y agoAs a cell grows in size the rate of change between the growth of its 2D surface area (area is squared) and its volume (volume is cubic) are different. The volume to surface area ratio limites the size a cell can reach, above a certain ratio and it will have problems getting essential molecules such as oxygen through diffusion and maintaining homeostasis.
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∙ 13y ago•When cells get larger, their inside volume increases much faster than the surface area of the cell membrane, and
•This makes it impossible to keep up with getting materials into/out of cell.
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∙ 13y agoThis question is very nonspecific; there are many mechanisms for these processes. The generic term for these two processes is endocytosis (material moved into the cell) and exocytosis (movement of material out of the cell).
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∙ 14y agoThe cell has to be small to be where the cell is in all living things,and the cell has to be small for the cell to be able to use active transport and pump things into areas of the cell.
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∙ 12y agoWhen the cell get to big it makes it harder for materials go in an out of the cell. when the cell is small it makes it easier for materials to come in and out of the cell.
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∙ 12y agoIt is more efficient to be a smaller cell, becaue smaller cells can past the cell wall.
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∙ 12y agopassive transport snd no energy required, ;) The size refers to the effect in reaction of diffusion and osmosis
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How do diffusion and osmosis limit the size of a cell?
becauuse it does
Is water an active or passive transport?
It is passive transport because of the diffusion.
What is the effect of size of uptake on diffusion in agar?
larger the size, the smaller the surface area to volume ratio, hence the slower the rate of diffusion into the agar jelly :)
What transport mechanism do one celled colonial and simple multicellular organisms rely on?
These organisms use simple diffusion as a transport mechanism.This is possible because of the small size of the organisms. Diffusion is effective over small distances but as size increases it becomes less and less efficient.
What influences diffusion?
Diffusion is a type of passive transport. The factors that influence diffusion include: concentration gradient, size of molecule involved, distance the molecule has to travel, temperature, solubility of the molecule and surface area.
Does diffusion effect cell size?
Yes
How does osmosis and diffusion limit the size of a cell?
diffusion and osmosis limit the size of a cell by how fast is can move
How do diffusion and osmosis limit the size of a cell?
becauuse it does
How diffusion and osmosis limit the size of a cell?
becauuse it does
Is water an active or passive transport?
It is passive transport because of the diffusion.
How are nutrients absorbed by the intestine cells?
it depends on the nutrients and their size. some nutrients absorb via diffusion, others is facilitated diffusion (needs a carrier protein and no energy), and others are via active transport (needs energy and a protein channel).
What doesn't occur as a cell grows larger in size?
Diffusion across the cell membrane is impaired
What is the effect of size of uptake on diffusion in agar?
larger the size, the smaller the surface area to volume ratio, hence the slower the rate of diffusion into the agar jelly :)
What transport mechanism do one celled colonial and simple multicellular organisms rely on?
These organisms use simple diffusion as a transport mechanism.This is possible because of the small size of the organisms. Diffusion is effective over small distances but as size increases it becomes less and less efficient.
On the basis of surface area to volume ratio why do cells tend to remain small?
because cell has to maintain that ratio in order to absorb more nutrients and for efficient absorption of materials. Cells tend to remain small because it promotes efficient transport. If a size of cell get bigger, it takes a longer time for transport and diffusion.
What influences diffusion?
Diffusion is a type of passive transport. The factors that influence diffusion include: concentration gradient, size of molecule involved, distance the molecule has to travel, temperature, solubility of the molecule and surface area.
Why cell transport and cellular communicator factor that limit cell size?
The cellular transport and cellular communication factor that limit the cell size because all the materials that go in and out of a cell must pass through the plasma membrane.
