You can reach to Biocomicals comics and more from

Saturday, June 2, 2012

A naive question

[please click on the comic for higher resolution]

Info for non-science readers
In demonstrations of semi-permeable membranes, a solution containing several types of molecules, usually glucose and starch, is placed into a semi-permeable dialysis bag, such as a cellulose membrane with pores, and the bag is sealed with a knot or elastic band. The sealed dialysis bag is placed in a container of a different solution, or water. More on Wikipedia