Sentence Examples

  • Nuclei are everywhere present.
  • The nuclei of the original cells persist in the protoplasmic membrane.
  • Here structures have been observed which resemble nuclei in some of their characteristics.
  • True ring systems, which possess the characters of organic nuclei, do not come into existence in threeand four-membered rings, their first appearance being in penta-atomic rings.
  • The following diagrams illustrate these statements: - C ` H C OH HC /CH HC CH HC,/CH 'N/ HC CH CH CH From the benzene nucleus we can derive other aromatic nuclei, graphically represented by fusing two or more hexagons along common sides.