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.
Organelles are like you stomach and stuff and they have their own specific job to do and function the body properly. ORGANELLES BASICALLY CONTROL THE ACTIVITIES IN THE CELL OF THE BODY E.G THE MITOCHONDRIA IS THE POWER HOUSE, ITS THE SOURCE OF ENERGY. RIBOSOMES ARE WHERE AMINO ACIDS OR POLYPEPTIDES ARE ARRANGED.