Cells are different shapes and sizes because they have different functions. The functions dictate the shapes and sizes.
Why are humans different shapes and sizes? Every living thing is different (More or less)
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.
Because animals are all different shapes and sizes
Cells have different shapes and sizes to fulfill specific functions within an organism. The shape and size of a cell determine its ability to perform certain tasks, such as movement, absorption, or secretion. This diversity allows for the efficient functioning of different tissues and organs in multicellular organisms.
Pot racks come in several different sizes and shapes. Different retailers offer a wide variety of different sizes and shapes, but most are similar, and alike in color.
If they are the same shapes but differ only in size, then they are SIMILAR shapes. Otherwise, they are simply different shapes.
Yes Aliens come in all shapes and sizes from all over the Galaxy. if they were real.
Yes, there are different shapes and sizes of satellite dishes. You can find the best one for your home at www.montanasatellite.com/satellite_dish_covers.htm
yes
similarity
Fhnn
No, they are the size of uranus ;)