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.
After humans, the nature's relatively largest brain is that of the dolphin: 2 kg. A dolphin weighing 120 kg (280 pounds) has a 1.7 kg (4 pounds) brain; compared to its size, this is almost thrice than a chimp.
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.