In Chapter 5 of Intermediate Physics for Medicine and Biology, Russ Hobbie and I mention aquaporins, a type of membrane channel. In a… — In Chapter 5 of Intermediate Physics for Medicine and Biology, Russ Hobbie and I mention aquaporins, a type of membrane channel. In a footnote, we write Some aquaporins are permeable only to water, and not to any other small molecules or ions, even hydrogen ions (Preston et al. 1992). Aquaporins…
