• surface
  • Another suggests the presence of energized nano-machinery or large macromolecular assemblies located on the bacterium's cell body, while yet another utilize "focal adhesion complexes" and "treadmilling" of surface adhesins distributed along the cell body. (wikipedia.org)
  • pure
  • 1. A sweet crystalline or powdered substance, white when pure, consisting of sucrose obtained mainly from sugarcane and sugar beets and used in many foods, drinks, and medicines to improve their taste. (thefreedictionary.com)