The resulting change in the appearance, behaviour or biochemical characteristics of the mouse then gives an indication of the gene's normal role in the mouse, and perhaps in humans. (yourgenome.org)
Eschewing the panel's normal role as inquisitor, Pryor's first question was a polite, «Can you tell us about your research, and what a Bose - Einstein condensate is?» (sciencemag.org)
Macrophages are a type of white blood cell whose normal role is to digest cellular debris and foreign substances. (alivebynature.com)