The pore size for the removal of viruses is _______________
(a) 20 nm
(b) 30 nm
(c) 25 nm
(d) 35 nm
I had been asked this question by my school teacher while I was bunking the class.
This intriguing question comes from Media Design and Preparation for Bioprocesses in chapter Equipping a Fermentation Laboratory, the Design and Preparation of Media for Bioprocesses of Fermentation Technology