Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around histones in order to fit inside of the nucleus and take part in the formation of chromosomes.

Electrons move in fixed orbits, called electron shells, around the nucleus. New evidence The discovery of electrons. Changes to the atomic model Atoms can be broken down into smaller parts.

"It's a pivotal time for healthcare — and Nucleus — that I'm thrilled to be part of." Nucleus is the world's most advanced DNA health test and the only genetics company solely focused on health.