Understanding Cell Volume: Why It's Independent of Choice

In summary, cell volume refers to the amount of space occupied by a cell and is important for various cellular processes. It can be measured using techniques such as microscopy, flow cytometry, and Coulter counting. Cell volume is primarily determined by genetic makeup and the surrounding environment, but factors such as osmotic pressure and nutrient availability can affect it.
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beman
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"Volume of a primitive cell is independent of the choice of the cell."
Why?
 
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Because, by definition, a cell is primitive if it contains exactly the smallest number of atoms possible (the smallest possible basis) from which the entire lattice can be constructed.

Once you have one possible primitive cell you can obtain others by cutting off a bit on one side and adding it on the opposite side. Obviously, this operation does not change the volume of the cell.
 
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What is cell volume?

Cell volume refers to the amount of space occupied by a cell, including its internal structures and organelles.

Why is understanding cell volume important?

Understanding cell volume is important because it plays a crucial role in various cellular processes such as osmosis, nutrient uptake, and waste removal. It also affects the overall size and shape of a cell, which can impact its functions and interactions with other cells.

How is cell volume measured?

Cell volume can be measured using various techniques such as microscopy, flow cytometry, and Coulter counting. These techniques involve either physically measuring the dimensions of a cell or indirectly estimating its volume based on its properties, such as light scattering or electrical resistance.

Why is cell volume independent of choice?

Cell volume is independent of choice because it is primarily determined by the cell's genetic makeup and the surrounding environment. While certain factors, such as nutrient availability, can influence cell volume to some extent, the overall volume of a cell is mostly predetermined by its genetic code.

What factors can affect cell volume?

Factors that can affect cell volume include osmotic pressure, nutrient availability, and the presence of hormones or growth factors. Changes in these factors can cause a cell to swell or shrink, resulting in alterations in its volume.

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