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.
The brain of the men is, on average, 100 grams (0.3 pounds) heavier than that of the women. 4. The largest brain of a terrestrial animal is that of the elephant: 10.5 pounds (4.78 kg). Still, the brain of the elephant makes less than 0.1% of its body weight.
Cerebral cortex. The cerebral cortex is the largest region of the mammalian brain and plays a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness. The cerebral cortex is the most anterior (rostral) brain region and consists of an outer zone of neural tissue called gray matter, which contains neuronal cell bodies.