Cell phones are different sizes depending on the size they want to make the screen because we all no that we dont want a puny screen
Why do you think the openings in cell membranes are different sizes?
Cells are different shapes and sizes because they have different functions. The functions dictate the shapes and sizes.
The size of the membrane pores depend on the proteins constituting the pore, thus different proteins may cause different pore sizes. So in most cases, yes, the "pores" will most likely be of different sizes.
Why are humans different shapes and sizes? Every living thing is different (More or less)
They all have different jobs to do.
They selectively allow certain size molecules to enter, or not to enter, the cell.
Blackberry Bold 9780 It has many sizes for fonts, and also lots of different choices.
A cell is small because small is a lot! Cells are not always the same size. Cell sizes vary for different cell types in the same species. A chicken egg that we eat is a cell.
it depends wheather the atom is a eukaryotic or prokaryotic cell. Both have different sizes
Of coarse cell sizes differ. Take and egg for example; it is 100 times the size of an average skin cell
why are raindrops different sizes?
A typical cell mass is 1 nanogram, but all cells are different sizes and masses. For example, the largest known cell is that of an unfertilized ostrich egg cell. The smallest knwon independent cell is that of Nanoarchaeum equitans.