Cell size is limited due to the inability of very large cells to provide nutrients and water and remove wastes in an efficient manner. The size of a cell is limited by the relationship of the cell’s outer surface area to its volume or its surface area-to-volume ratio.
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What are the two main reasons why cells size is limited?
Cells are so little, so they can maximize their ratio of surface area to volume. Smaller cells have a higher ratio which allow more molecules and ions move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.
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Why is cell size limited quizlet?
Why are cells relatively small? The key factor that limits the size of a cell is the ratio of its surface area to its volume. Small cell size maximizes the ability of diffusion and motor protein to transport nutrients and waste products.
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What is the main reason that cells are limited in size?
Cell size is limited due to the inability of very large cells to provide nutrients and water and remove wastes in an efficient manner. The size of a cell is limited by the relationship of the cell’s outer surface area to its volume or its surface area-to-volume ratio.
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What are the 2 limits to cell growth?
As cells grow they hit two limits: DNA and exchange limits. As a cell grows, the DNA cannot produce enough to maintain the cell. Also, as a cell grows, its volume increases faster than its surface area, meaning that it cannot keep up material exchange to the size of the cell.
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What is the reason why cells are small in size?
Cells are so little, so they can maximize their ratio of surface area to volume. Smaller cells have a higher ratio which allow more molecules and ions move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.
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Why is the cell size limited?
Cell size is limited due to the inability of very large cells to provide nutrients and water and remove wastes in an efficient manner. The size of a cell is limited by the relationship of the cell’s outer surface area to its volume or its surface area-to-volume ratio.
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What limits the size of a cell?
What limits cell sizes and growth rates? Cell growth is limited by rates of protein synthesis, by the folding rates of its slowest proteins, and—for large cells—by the rates of its protein diffusion.
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What is the most important factor that limits the size of a cell?
Complete answer: The single factor that limits the size of most of the cell is the surface volume ratio. The size of the cell gets limited by the nucleo-cytoplasmic ratio, which determines the range of control of metabolic ratio and the ratio of surface to volume.
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Why is there a limit on the maximum size of a cell in terms of surface area volume ratio?
Answer: The surface area to volume ratio (SA:V) limits cell size because the bigger the cell gets, the less surface area it has for its size.
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