The cell nucleus contains the majority of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes.Each human cell contains roughly two meters of DNA.he cell nucleus contains the majority of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes.
Mammals are the champions. 1. The largest brain belongs to the sperm whale: 7 kg (17.5 pounds). The blue whale, the largest animal on the planet, being twice longer and thrice heavier, has a brain weighing 5 kg (12.5 pounds). 2. Human brain has an average weight of 2.7 pounds (1.2 kg), variations between 1.1 and 1.4 kg being considered normal.
What are the parts of the brain? The main parts of the brain are the frontal lobe, temporal lobe,  occipital lobe, parietal lobe, hypothalamus, cerebrum, brain stem  ,and cerebellum. In addition, the brain â¦contains the corpus  callosum, pituitary gland, hypothalamus, and thalamus. The medulla  oblongata and pons are parts of the brain stem.