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.
Both the cerebrum and cerebral cortex come under the forebrain. Cerebrum. Cerebrum is the largest and most prominent part of the human brain. It appears to envelop the rest of the brain as it constitutes 4/5 of its weight.