Both isotonic and isosmotic refer to the strength of the solution,  for example, how much solute is dissolved in the solution. Isotonic  refers to the ionic strength of a soâ¦lution while isosmotic refers  to the number of molecules of solutes in a biological solution, for  example, sugar concentration.
The egg is strongest from point to point and easily crushable at the sides. Breaking an egg with steady equal pressure at each end of the egg is remarkably hard to do when considering the thin shell involved.
Eggs that are to held several days before incubation should be held at a slanted position (35 degrees) You can do this by using a egg carton and proping it up with an object at 35 degrees. You can then turn them twice a day by shifting the end of the carton.