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.
Cerebrum. The cerebrum constitutes the largest part of the human brain. It is also known as the cortex and is responsible for performing a great number of important brain functions, including action and thought processing.arts of the Brain and Their Functions. One of the questions that you could be asking yourself might be what are the main parts of the brain. Well, the following is an explanation of the parts of the brain and their functions.