The Latin name is from the Japanese name for T. sieboldii. T. canadensis and T. heterophylla were discovered early (before 1800) and until 1855 were simply treated as species of Pinus, but in 1842 T. sieboldii, the southern Japanese hemlock, was described as Abies tsugae.
The brains of the cell, the nucleus directs cell activities and contains genetic material called chromosomes made of DNA.
Nucleus-Organelle. The nucleus of a cell contains all the genetic information required to perform the functions within an organism and is found within the nuclear membrane. Please contribute to this project, if you have more information about this term feel free to edit this page.