Coordinates: 35Â°N 136Â°E / 35Â°N 136Â°E / 35; 136. Japan (Japanese: æ¥æ¬ Nippon [nipÌpÃµÌÉ´] or Nihon [nihÃµÌÉ´]; formally æ¥æ¬å½ Nippon-koku or Nihon-koku, meaning State of Japan) is a sovereign island nation in Eastern Asia.
Nucleosomes are the basic unit of DNA packaging in eukaryotes, consisting of a segment of DNA wound around a histone protein core while nucleoid (meaning nucleus-like) is an irregularly-shaped region within the cell of a prokaryote that contains all or most of the genetic material.
The cell membrane is composed of lipids (phospholipids) and proteins. p. 20 (A, P) Nucleusâ control center for all cell functions. Within the nucleus are chromosomes and at least one nucleolus. The nucleolus is a site of RNA synthesis, and it may also be responsible for the production of ribosomes.